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@article{pottmann-1988-eka1,
	author = {Pottmann, Helmut and Rath, W.},
	title = {Eine affine kinematische {A}bbildung. {II}},
	journal = {Rad Jugoslav. Akad. Znan. Umjet.},
	volume = {435},
	year = {1988},
	pages = {123--138},
	mrclass = {51N10 (53A17)},
	mrnumber = {91e:51015},
	zblnumber = {0674.53008},
}
 
@article{pottmann-1989-eka,
	author = {Pottmann, Helmut and Rath, W.},
	title = {Ebene konvexe {A}ffinzwangl{\"a}ufe},
	journal = {\v Casopis P\v est. Mat.},
	volume = {114},
	year = {1989},
	number = {3},
	pages = {279--288},
	issn = {0528-2195},
	mrclass = {53A17},
	mrnumber = {91a:53020},
	zblnumber = {0682.53011},
}
 
@article{pottmann-1989-fvbg,
	author = {Pottmann, Helmut and Rath, W.},
	title = {Die {F}l{\"a}chenvektoren der {B}ahnkurven geschlossener
		r{\"a}umlicher {Z}wangl{\"a}ufe},
	journal = "Beitr. Algebra Geom.",
	volume = {29},
	year = {1989},
	pages = {143--160},
	issn = {0138-4821},
	mrclass = {53A17},
	mrnumber = {91a:53019},
	zblnumber = {0725.53017},
}
 
@article{pottmann-1993-gts,
	author = "Pottmann, H.",
	title = "The geometry of {T}chebycheffian splines",
	journal = "Comp. Aided Geom. Design",
	volume =  10,
	year = 1993,
	pages = "181-210",
}
 
@article{pottmann-1995-cdrp,
	author = {H. Pottmann},
	title = {Curve design with rational {P}ythagorean-hodograph curves},
	journal = "Adv. Comput. Math.",
	volume = {3},
	year = {1995},
	pages = {147--170},
}
 
@article{pottmann-1995-rcs,
	author = {H. Pottmann},
	title = {Rational curves and surfaces with rational offsets},
	journal = "Comput. Aided Geom. Design",
	volume = {12},
	year = {1995},
	pages = {175--192},
}
 
@article{pottmann-1995-drbs,
	author = {H. Pottmann and G. Farin},
	title = {Developable rational {B}{\'e}zier and {B}-spline surfaces},
	journal = "Comput. Aided Geom. Design",
	volume = {12},
	year = {1995},
	pages = {513--531},
}
 
@article{kolb-1995-fsr,
	author = {A. Kolb and H. Pottmann and H.-P. Seidel},
	title = {Fair surface reconstruction using quadratic functionals},
	journal = "Computer Graphics Forum",
	volume = {14},
	year = {1995},
	pages = {469--479},
}
 
@incollection{hoschek-1995-iadbs,
	author = {J. Hoschek and H. Pottmann},
	title = {Interpolation and approximation with
		developable {B}-spline surfaces},
	booktitle = {Mathematical Methods for Curves and Surfaces},
	editor = {M. D{\ae }hlen and T. Lyche and L. L. Schumaker},
	pages = {255--264},
	publisher = {Vanderbilt University Press},
	address = {Nashville, TN},
	year = {1995},
}
 
@incollection{kolb-1995-srmnn,
	author = {A. Kolb and H. Pottmann and H. P. Seidel},
	title = {Surface reconstruction based upon minimum norm networks},
	booktitle = {Mathematical Methods for Curves and Surfaces},
	editor = {M. Daehlen and T. Lyche and L. L. Schumaker},
	pages = {293--304},
	publisher = {Vanderbilt University Press},
	address = {Nashville, TN},
	year = {1995},
}
 
@incollection{pottmann-1995-snc,
	author = {H. Pottmann},
	title = {Studying {NURBS} curves and surfaces with classical geometry},
	booktitle = {Mathematical Methods for Curves and Surfaces},
	editor = {M. D\ae hlen and T. Lyche and L. L. Schumaker},
	pages = {413--438},
	publisher = {Vanderbilt University Press},
	address = {Nashville, TN},
	year = {1995},
}
 
@incollection{wagner-1995-gmd,
	author = {M. Wagner and H. Pottmann},
	title = {Geometric motion design},
	booktitle = {Modelling and Planning for Sensor based Intelligent Robot
		Systems},
	series = {Series in Machine Perception and Artificial Intelligence},
	editor = {H. Bunke and T. Kanade and H. Noltemeier},
	volume = {21},
	pages = {104--119},
	publisher = {World Scientific},
	year = {1995},
}
 
@incollection{mazure-1995-cc,
	author = {M. L. Mazure and H. Pottmann},
	title = {{T}chebycheff Curves},
	booktitle = {Total Positivity and Its Applications},
	editor = {M. Gasca and C. A. Micchelli},
	pages = {187--218},
	publisher = {Kluwer Academic Publishers},
	address = {Dordrecht},
	year = {1995},
}
 
@incollection{farouki-1996-prphc,
	author = {R. T. Farouki and H. Pottmann},
	title = {Polynomial and rational {P}ythagorean-hodograph
		curves reconciled},
	booktitle = {The Mathematics of Surfaces VI},
	editor = {G. Mullineux},
	pages = {355--378},
	publisher = {Oxford University Press},
	year = {1996},
}
 
@article{pfeifer-1996-smtm,
	author = {N. Pfeifer and H. Pottmann},
	title = {Surface models on the basis of a triangular mesh -- surface
		reconstruction},
	journal = "ISPRS Archives",
	pages = {638--643},
	year = {1996},
	volume = {XXXI},
	publisher = "Geomatics Information {\&} Trading Center bv",
	number = "3B",
}
 
@article{lu-1996-ps,
	author = {W. L{\"u} and H. Pottmann},
	title = {Pipe surfaces with rational spine curve are rational},
	journal  = "Comput. Aided Geom. Design",
	volume = {13},
	year = {1996},
	pages = {621--628},
}
 
@article{pottmann-1996-rrs,
	author = {H. Pottmann and W. L{\"u} and B. Ravani},
	title = {Rational ruled surfaces and their offsets},
	journal  = "Graph. Models Img. Processing",
	volume = {58},
	year = {1996},
	pages = {544--552},
}
 
@incollection{peternell-1996-drs,
	author = {M. Peternell and H. Pottmann},
	title = {Designing rational surfaces with rational offsets},
	booktitle = {Advanced Topics in Multivariate Approximation},
	editor = {F. Fontanella and K. Jetter and P. J. Laurent},
	pages = {275--286},
	publisher = {World Scientific},
	year = {1996},
}
 
@article{pottmann-1997-ipsc,
	author = {H. Pottmann and P. Paukowitsch},
	title = {Inflections of planar surface curves},
	journal  = "Comput. Aided Geom. Design",
	volume = {14},
	year = {1997},
	pages = {293--297},
	issn = {0167-8396},
	mrclass = {65D17 (41A63)},
		mrnumber = {97k:65050},
		zblnumber = {0906.68159},
}
 
@article{peternell-1997-crp,
	author = {M. Peternell and H. Pottmann},
	title = {Computing rational parametrizations of canal surfaces},
	journal  = "J. Symbolic Comput.",
	volume = {23},
	year = {1997},
	pages = {255--266},
	url="/peternell/canalsurf.pdf",
}
 
@article{pottmann-1997-gos,
	author = {H. Pottmann},
	title = {General offset surfaces},
	journal  = "Neural, Parallel {\&} Scient. Comput.",
	volume = {5},
	year = {1997},
	pages = {55--80},
}
 
@incollection{wallner-1997-so,
	author = {J. Wallner and H. Pottmann},
	title = {Spline orbifolds},
	booktitle = {{C}urves and {S}urfaces with {A}pplications in {CAGD}},
	editor = {Le M{\'e}haut{\'e}, A. and C. Rabut and L. L. Schumaker},
	pages = {445-464},
	publisher = {Vanderbilt University Press},
	year = {1997},
	url="/geom/ig/papers/pot077.pdf",
	mrclass = {65Y25 (57M50 65D17)},
	mrnumber = {99j:65263},
	zblnumber = {0938.65042},
}
 
@article{wallner-1997-rb,
	author = {J. Wallner and H. Pottmann},
	title = {Rational blending surfaces between quadrics},
	journal  = "Comput. Aided Geom. Design",
	volume = {14},
	year = {1997},
	pages = {407--419},
	url="/geom/ig/papers/pot078.pdf",
	issn = {0167-8396},
	mrclass = {65D17 (41A63)},
	mrnumber = {1456012},
	doi="10.1016/S0167-8396(96)00037-4",
}
 
@incollection{wagner-1997-ps,
	author = {H. Pottmann and M. Wagner},
	title = {Principal surfaces},
	booktitle = {The Mathematics of Surfaces VII},
	editor = {T. Goodman and R. Martin},
	pages = {337--362},
	publisher = {Information Geometers Ltd.},
	year = {1997},
}
 
@article{pottmann-1998-alcagd,
	author = {H. Pottmann and M. Peternell},
	title = {Applications of {L}aguerre geometry in {CAGD}},
	journal  = "Comput. Aided Geom. Design",
	volume = {15},
	year = {1998},
	pages = {165--186},
	url="/peternell/laggeo1.pdf",
	mrnumber="99c:65037",
}
 
@article{peternell-1998-lgaro,
	author = {M. Peternell and H. Pottmann},
	title = {A {L}aguerre geometric approach to rational offsets},
	journal  = "Comput. Aided Geom. Design",
	volume = {15},
	year = {1998},
	pages = {223--249},
	url="/peternell/laggeo2.pdf",
}
 
@incollection{pottmann-1998-cclg,
	author = {H. Pottmann and M. Peternell and B. Ravani},
	title = {Contributions to computational line geometry},
	booktitle = {Differential/Topological Techniques in
		Geometric Modeling and Processing '98},
	editor = "D. P. Chi and H. I. Choi and M.-S. Kim and R. Martin",
	pages = {43--81},
	year = {1998},
	isbn = "89-86518-10-0",
	publisher = "Bookplus Press",
	note = "Proceedings of the Workshop in Pohang, Korea, April 7-8,1998",
}
 
@inproceedings{pottmann-1998-rkssd,
	author = {H. Pottmann and I.-K. Lee and T. Randrup},
	title = {Reconstruction of kinematic surfaces from scattered data},
	booktitle = {Proceedings Symposium on Geodesy for Geotechnical and
		Structural Engineering},
	editor = "H. Kahmen and E. Br{\"u}ckl and Th. Wunderlich",
	organization = "Int. Assoc. of Geodesy",
	pages = {483--488},
	year = {1998},
	note = {held in Eisenstadt, Austria, April 20-22, 1998}
}
 
@article{neamtu-1998-dncp,
	author = {M. Neamtu and H. Pottmann and L. L. Schumaker},
	title = {{D}esigning {NURBS} cam profiles using trigonometric splines},
	journal  = "ASME J. Mech. Design",
	volume = {120},
	year = {1998},
	pages = {175--180},
}
 
@article{leopoldseder-1998-ads,
	author = {S. Leopoldseder and H. Pottmann},
	title = {Approximation of developable surfaces with cone
		spline surfaces},
	journal  = "Computer-Aided Design",
	volume = {30},
	year = {1998},
	pages = {571--582},
	url="/geom/ig/papers/pot085.pdf",
}
 
@incollection{pottmann-1998-als,
	author = {H. Pottmann and M. Peternell and B. Ravani},
	title = {Approximation in line space: applications in robot kinematics
		and surface reconstruction},
	booktitle = {Advances in Robot Kinematics: Analysis and Control},
	editor = {J. Lenar{\v{c}}i{\v{c}} and M. Husty},
	pages = {403--412},
	publisher = {Kluwer},
	year = {1998},
	url="/geom/ig/papers/pot086.pdf",
}
 
@article{pottmann-1998-rhsa,
	author = {H. Pottmann and T. Randrup},
	title = {Rotational and helical surface
		approximation for reverse engineering},
	journal  = {Computing},
	volume = {60},
	year = {1998},
	pages = {307--322},
}
 
@article{wallner-1998-glg,
	author = {J. Wallner and H.-Y. Chen and H. Pottmann},
	title = {{G}alilei {L}aguerre geometry and rational circular offsets},
	journal = "Beitr. Algebra Geom.",
	volume = {39},
	year = {1998},
	pages = {291-305},
	url="http://www.geometrie.tugraz.at/wallner/gallag.ps.gz",
	issn = {0138-4821},
	mrclass = {53A40 (51N25)},
	mrnumber = {99g:53016},
	zblnumber = {0917.51003},
}
 
@incollection{pottmann-1998-aps,
	author = {H. Pottmann and H.-Y. Chen and I. K. Lee},
	title = {Approximation by profile surfaces},
	booktitle = {The Mathematics of Surfaces VIII},
	editor = {R. Cripps},
	pages = {17--36},
	publisher = {Information Geometers},
	address = {Wellesley MA},
	year = {1998},
}
 
@article{pottmann-1998-cmbsd,
	author = {H. Pottmann and M. Wagner},
	title = {Contributions to motion based surface design},
	journal  = "Int. J. Shape Modeling",
	volume = {4},
	year = {1998},
	pages = {183--196},
}
 
@article{neamtu-1998-dfs,
	author = {M. Neamtu and H. Pottmann and L. L. Schumaker},
	title = {Dual focal splines and rational curves with rational offsets},
	journal  = {Mathematical Engineering in Industry},
	volume = {7},
	year = {1998},
	pages = {139--154},
}
 
@article{chen-1999-ars,
	author = {H.-Y. Chen and H. Pottmann},
	title = {Approximation by ruled surfaces},
	journal  = "J. Comput. Appl. Math.",
	volume = {102},
	year = {1999},
	pages = {143--156},
	url="/geom/ig/papers/pot092.ps.gz",
}
 
@article{pottmann-1999-ilg,
	author = {H. Pottmann and M. Peternell and B. Ravani},
	title = {An introduction to line geometry with applications},
	journal  = "Computer-Aided Design",
	volume = {31},
	year = {1999},
	pages = {3--16},
	url="/peternell/linegeo_cad.pdf",
}
 
@article{peternell-1999-cgrs,
	author = {M. Peternell and H. Pottmann and B. Ravani},
	title = {On the Computational Geometry of Ruled Surfaces},
	journal = "Computer-Aided Design",
	volume = {31},
	year = {1999},
	pages = {17--32},
	url="/peternell/linegeo_cad2.pdf",
}
 
@article{glaeser-1999-cf3am,
	author = {G. Glaeser and J. Wallner and H. Pottmann},
	title = {Collision-free 3-axis milling and selection of cutting tools},
	journal = "Computer-Aided Design",
	volume = {31},
	year = {1999},
	pages = {225-232},
	url="http://www.geometrie.tugraz.at/wallner/optfraes.ps.gz",
	zblnumber = {01966666},
}
 
@article{chen-1999-sads,
	author = {H.-Y. Chen and I.-K. Lee and S. Leopoldseder
		and H. Pottmann and T. Randrup and J. Wallner},
	title = {On surface approximation using developable surfaces},
	journal  = "Graph. Models Img. Processing",
	volume = {61},
	year = {1999},
	pages = {110--124},
	url="/geom/ig/papers/pot096.pdf",
	zblnumber = {0978.68576},
}
 
@article{pottmann-1999-gcgm,
	author = {H. Pottmann and J. Wallner and G. Glaeser and B. Ravani},
	title = {Geometric criteria for gouge-free three-axis
		milling of sculptured surfaces},
	journal = "ASME J. Mech. Design",
	volume = {121},
	year = {1999},
	pages = {241-248},
	url="http://www.geometrie.tugraz.at/wallner/tr-asme.ps.gz",
}
 
@incollection{wallner-1999-gc3m,
	author = {J. Wallner and G. Glaeser and H. Pottmann},
	title = {Geometric contributions to 3-axis milling of sculptured
		surfaces},
	booktitle = {Machining Impossible Shapes},
	editor = {G. J. Olling and B. K. Choi and R. B. Jerard},
	publisher = {Kluwer Academic Publ.},
	address = {Boston},
	year = {1999},
	pages = {33-41},
	url="http://www.geometrie.tugraz.at/wallner/impossible.pdf",
}
 
@article{pottmann-1999-aads,
	author = {H. Pottmann and J. Wallner},
	title = {Approximation algorithms for developable surfaces},
	journal = "Comput. Aided Geom. Design",
	volume = {16},
	year = {1999},
	pages = {539-556},
	url="/geom/ig/papers/pot099.pdf",
	issn = {0167-8396},
	mrclass = {65D17},
	mrnumber = {2000d:65027},
	zblnumber = {0997.65032},
	doi="10.1016/S0167-8396(99)00012-6",
}
 
@incollection{pottmann-1999-vdfc,
	author = {H. Pottmann},
	title = {A geometric approach to variation diminishing
		freeform curve schemes},
	booktitle = {Shape preserving representations in Computer-Aided Design},
	editor = {J. M. Pe{\~n}a },
	publisher = {Nova Science Publishers},
	address = {New York},
	year = {1999},
	pages = {119-131},
}
 
@incollection{lee-1999-sda,
	author = {I.-K. Lee and J. Wallner and H. Pottmann},
	title = {Scattered data approximation with kinematic surfaces},
	booktitle = {Proceedings of the Sampling Theory and Applications '99
	conference in Loen, Norway},
	publisher = "Norges teknisk-naturvitenskapelige universitet,
		Institutt for matematiske fag",
	address = "Trondheim",
	pages = {72-77},
	year = {1999},
	isbn = "0-8265-1356-5",
	url="http://www.geometrie.tugraz.at/wallner/sampta.ps.gz",
}
 
@article{pottmann-2000-scm,
	author = {H. Pottmann and B. Ravani},
	title = {Singularities of motions constrained by contacting surfaces},
	journal = "Mech. Mach. Theory",
	volume = {35},
	year = {2000},
	pages = {963--984},
}
 
@article{pottmann-2000-pla,
	author = {H. Pottmann and R. Krasauskas and B. Hamann
		and K. Joy and W. Seibold},
	title = {On piecewise linear approximation of quadratic functions},
	journal = "J. Geom. Graphics",
	volume = {4},
	year = {2000},
	pages = {31-53},
	url="/geom/ig/papers/pot103.pdf",
}
 
@incollection{peternell-2000-ifl,
	author = { M. Peternell and H. Pottmann},
	title = {Interpolating functions on lines in 3-space},
	booktitle = {Curve and Surface Fitting: Saint Malo 1999},
	editor = {A. Cohen and C. Rabut and L. L. Schumaker},
	publisher = {Vanderbilt University Press},
	address = {Nashville, TN},
	year = {2000},
	pages = {351--358},
	url="/peternell/stmalo99.pdf",
	url2="/geom/ig/papers/pot104.pdf",
}
 
@incollection{wallner-2000-gssm,
	author = {J. Wallner and H. Pottmann},
	title = {On the geometry of sculptured surface machining},
	booktitle = {Curve and Surface Design: Saint Malo 1999},
	editor = {P.-J. Laurent and P. Sablonni{\`e}re and L. L. Schumaker},
	publisher = {Vanderbilt University Press},
	address = {Nashville},
	year = {2000},
	pages = {417-432},
	isbn = "0-8265-1356-5",
	url="/geom/ig/papers/pot105.zip",
	url2="http://www.geometrie.tugraz.at/wallner/stmalo.ps.gz",
}
 
@article{wallner-2000-epgc,
	author = {J. Wallner and R. Krasauskas and H. Pottmann},
	title = {Error propagation in geometric constructions},
	journal = "Computer-Aided Design",
	volume = {32},
	year = {2000},
	pages = {631-641},
	url="/geom/ig/papers/pot106.pdf",
	url2="http://www.geometrie.tugraz.at/wallner/knoedel.ps.gz",
}
 
@incollection{pottmann-2000-ot,
	author = {H. Pottmann and B. Odehnal and M. Peternell and J. Wallner
		and Ait Haddou, R.},
	title = "On optimal tolerancing in {C}omputer-{A}ided {D}esign",
	booktitle = "Geometric Modeling and Processing 2000",
	editor = "R. Martin and W. Wang",
	publisher = "IEEE Computer Society",
	address = "Los Alamitos, Calif.",
	year = 2000,
	pages = "347-363",
	isbn = "0-7695-0562-7",
	url="http://www.geometrie.tugraz.at/wallner/tolnew.pdf",
	url2="/peternell/tolerance_cad.pdf",
	url2="/geom/ig/papers/pot107.pdf",
}
 
@incollection{pottmann-2000-asgo,
	author = {H. Pottmann and M. Peternell},
	title = {On approximation in spaces of geometric objects},
	booktitle = {The Mathematics of Surfaces IX},
	editor = {R. Cipolla and R. Martin},
	publisher = {Springer},
	year = {2000},
	pages = {438--458},
	isbn = "1852333588",
	url="/peternell/mathsurf2000.pdf",
	url2="/geom/ig/papers/pot108.pdf",
}
 
@incollection{pottmann-2000-e,
	author =   {H. Pottmann and M. Peternell},
	title =    {Envelopes -- Computational Theory and Applications},
	booktitle = {Spring Conference on Computer Graphics 2000},
	editor = {B. Falcidieno},
	pages =    {3-23},
	publisher = "Comenius University",
	address = "Bratislava",
	year =     2000,
	isbn = "80-223-1486-2",
	note =  {{P}roceedings of the conference in Budmerice, May 3-6, 2000},
	url="/geom/ig/papers/pot109.pdf",
	url2="/peternell/envelopes.pdf",
}
 
@article{bertram-2000-pot,
	author = {M. Bertram and J. C. Barnes and B. Hamann and
		K. I. Joy and H. Pottmann and D. Wushour},
	title = {Piecewise optimal triangulation of scattered data
		in the plane},
	journal = "Comput. Aided Geom. Design",
	volume = {17},
	year = {2000},
	pages = {767--787},
}
 
@book{pottmann-2001-clg,
	author = {H. Pottmann and J. Wallner},
	title = {Computational Line Geometry},
	publisher = {Springer},
	address = {Heidelberg},
	isbn = "3-540-42058-4",
	year = {2001},
	url = "http://www.geometrie.tugraz.at/wallner/clgbook",
	series = {Mathematics + Visualization},
	pages = {x+563},
	mrclass = {53-02 (51M30 52B55 53A17 53A25 65D18 68U05)},
	mrnumber = {2002f:53001},
	zblnumber = {1006.51015},
}
 
@inproceedings{odehnal-2001-cdm,
	author = {B. Odehnal and H. Pottmann },
	title = {Computing with discrete models of ruled surfaces and line
		congruences},
	booktitle = {Computational Kinematics},
	pages = {211--226},
	year = {2001},
	editor = "F. C. Park and C. C. Iurascu",
	note = "{P}roceedings of the workshop in Seoul, May 19-22, 2001",
	url = "http://www-sop.inria.fr/coprin/EJCK/Vol1-1/20_pottmann.pdf",
}
 
@incollection{pottmann-2001-kmc,
	author = {H. Pottmann and J. Wallner and S. Leopoldseder},
	title = {Kinematical methods for the classification,
		reconstruction and inspection of surfaces},
	booktitle = "SMAI 2001: Congr{\`e}s national
		de math{\'e}matiques appliqu{\'e}es et industrielles",
	series = "Publications de l'{\'E}quipe de Math{\'e}matiques
		Appliqu{\'e}es (Num{\'e}ro special)" ,
	publisher = "Universit{\'e} de Technologie de Compi{\`e}gne",
	year = {2001},
	pages = {51-60},
	url="http://www.geometrie.tugraz.at/wallner/smai01.ps.gz",
}
 
@article{wallner-2001-siocs,
	author = {J. Wallner and T. Sakkalis and T. Maekawa and H. Pottmann
		and G. Yu},
	title = {Self-intersections of offset curves and surfaces},
	journal = "Int. J. Shape Modeling",
	volume = {7},
	year = {2001},
	pages = {1-21},
	url="http://www.geometrie.tugraz.at/wallner/soff.ps.gz",
}
 
@article{farouki-2002-emp,
	author = {R. T. Farouki and H. Pottmann},
	title = {Exact {M}inkowski products of $N$ complex disks},
	journal = "Reliab. Comput.",
	volume = {8},
	year = {2002},
	pages = {43-66},
	url="/geom/ig/papers/pot114.pdf",
}
 
@article{smith-2002-osffs,
	author = {T. Smith and R. T. Farouki and M. al-Kandari and H. Pottmann},
	title = {Optimal slicing of free-form surfaces},
	journal = "Comput. Aided Geom. Design",
	volume = {19},
	year = {2002},
	pages = {43-64},
	url="/geom/ig/papers/pot116.pdf",
}
 
@incollection{pottmann-2002-gfcad,
	author = {H. Pottmann and S. Leopoldseder},
	title = {Geometries for {CAGD}},
	booktitle = {Handbook of 3{D} Modeling},
	editor = {G. Farin and J. Hoschek and M.-S. Kim },
	publisher = {Elsevier},
	year = {2002},
	pages = {43-73},
	url="/geom/ig/papers/geom4cagd.pdf",
	mrnumber="1928536",
}
 
@incollection{hoenigmann-2002-fmbs,
	author = {D. H{\"o}nigmann and J. Ruisz and H. Pottmann},
	title = {Fast model based segmentation of ultrasound data using an
		active image},
	booktitle = "Biomedical Imaging, 2002 IEEE International Symposium on",
	pages = {225--228},
	year = {2002},
	publisher = "IEEE Press",
	isbn = "0-7803-7584-X",
	url="/geom/ig/papers/ultraseg2002.pdf",
	note = {{P}roceedings of the symposion July 7--10, 2002, Washington DC},
}
 
@incollection{hofer-2002-samd,
	author = {M. Hofer and H. Pottmann and B. Ravani},
	title = {Subdivision algorithms for motion design based on
		homologous points},
	booktitle = {Advances in Robot Kinematics},
	editor = {J. Lenar\v{c}i\v{c} and  F. Thomas },
	publisher = {Kluwer Academic Publ.},
	year = {2002},
	pages = {235--244},
	url="/geom/ig/papers/pot120.pdf",
}
 
@article{pottmann-2002-sr,
	author = {H. Pottmann and S. Leopoldseder and M. Hofer},
	title = {Simultaneous registration of multiple views of a 3{D} object},
	journal = "ISPRS Archives",
	volume = {34},
	number= "3A",
	pages = {265--270},
	publisher = "Geomatics Information {\&} Trading Center bv",
	year = {2002},
	url="/geom/ig/papers/pcv02.pdf",
}
 
@article{pottmann-2002-rrss,
	author = {H. Pottmann and S. Leopoldseder and J. Wallner
		and M. Peternell},
	title = {Recognition and reconstruction of special
		surfaces from point clouds},
	journal = "ISPRS Archives",
	volume = {34},
	number = "3A",
	pages = {271-276},
	year = {2002},
	publisher = "Geomatics Information {\&} Trading Center bv",
	url="/geom/ig/papers/pcv02b.pdf",
	url2="/peternell/cv2002.pdf",
}
 
@article{peternell-2002-asp,
	author = {M. Peternell and H. Pottmann},
	title = {Approximation in the space of planes:
		applications to geometric modeling and reverse engineering},
	journal = {RACSAM Rev. R. Acad. Cienc. Exactas F\'\i s. Nat.
		Ser. A Mat.},
	volume = {96},
	number = {2},
	year = {2002},
	pages = {243-256},
	url="/peternell/racsam.pdf",
	url2="/geom/ig/papers/pot123.pdf",
	mrnumber="2004h:65019",
}
 
@inproceedings{pottmann-2002-aabc,
	author = {H. Pottmann and S. Leopoldseder and M. Hofer},
	title = {Approximation with active {B}-spline curves and surfaces},
	booktitle = "10th Pacific Conference on Computer
		Graphics and Applications",
	editor = "S. Coquillart and S.-M. Hu and H.-Y. Shum",
	publisher = {IEEE Press},
	pages = {8-25},
	year = {2002},
	isbn = "0-7695-1784-6",
	url="/geom/ig/papers/pg02.pdf",
	note = "{P}roceedings of the conference held at
		Tsinghua University, Beijing, October 9-11, 2002",
}
 
@article{odehnal-2002-cdm,
	author = {B. Odehnal and H. Pottmann },
	title = {Computing with discrete models of ruled surfaces and line
		congruences},
	journal = {Electron. J. Comput. Kinematics},
	volume = 1,
	number = 1,
	pages = "\S 20",
	year = {2002},
	note = "{P}roceedings of the workshop `Computational Kinematics'
		in Seoul, May 19-22, 2001",
	url = "http://www-sop.inria.fr/coprin/EJCK/Vol1-1/20_pottmann.pdf",
}
 
@inproceedings{eberharter-2003-sp,
	author = {Eberharter, J. K. and Pottmann, H. and Ravani, B.},
	title = {Stereographic projection of {S}tudy's quadric},
	booktitle = {Dresden Symposium Geometry---Proceedings},
	pages = {82--89},
	publisher = {Tech. Univ. Dresden},
	address= {Dresden},
	year= {2003},
	mrclass = {51N05},
	mrnumber = {2004m:51045},
}
 
@article{yoon-2003-locp,
	author = {J.-H. Yoon and H. Pottmann and Y.-S. Lee},
	title = {Locally optimal cutting positions for five-axis
		sculptured surface machining},
	journal = "Computer-Aided Design",
	volume = {35},
	year = {2003},
	pages = {69--81},
}
 
@inproceedings{pottmann-2003-gsdf,
	author = {H. Pottmann and M. Hofer},
	title = {Geometry of the squared distance function to
		curves and surfaces},
	booktitle = {Visualization and Mathematics III},
	editor = {H.-C. Hege and K. Polthier},
	publisher = {Springer},
	year = {2003},
	pages = {223--244},
	url="/geom/ig/papers/pot121.pdf",
	mrnumber="2005a:53004",
}
 
@article{pottmann-2003-cps,
	author = {H. Pottmann and S. Leopoldseder},
	title = {A concept for parametric surface fitting which avoids the
		parametrization problem},
	journal = "Comput. Aided Geom. Design",
	volume = {20},
	year = {2003},
	pages = {343--362},
	url="/geom/ig/papers/pot129.pdf",
	mrnumber="2004h:65019",
}
 
@incollection{ruisz-2003-smr,
	author = {J. Ruisz and D. H{\"o}nigmann and H. Pottmann},
	title = {Segmentation and modeling of approximately rotationally
		symmetric objects in 3{D} ultrasound},
	booktitle = "3-D Digital Imaging and Modeling (3DIM 2003),
		4th International Conference on ",
	year = {2003},
	pages = {124--131},
	publisher = "IEEE Press",
	isbn = "0-7695-1991-1",
	url="/geom/ig/papers/ultramod2001.pdf",
	note = {Proceedings of the conference in Banff, Canada,
		Oct. 6-10, 2003},
}
 
@article{muehlthaler-2003-cms,
	author = {H. M{\"u}hlthaler and H. Pottmann},
	title = {Computing the {M}inkowski sum of ruled surfaces},
	journal = "Graphical Models",
	volume = {65},
	year = {2003},
	pages = {369--384},
}
 
@article{hofer-2003-gdm,
	author = {M. Hofer and H. Pottmann and B. Ravani},
	title = {Geometric design of motions constrained by a
		contacting surface pair},
	journal = "Comput. Aided Geom. Design",
	volume = {20},
	year = {2003},
	pages = {523--547},
	url="/geom/ig/papers/gmd.pdf",
	mrnumber="2004m:65027",
}
 
@article{hofer-2003-olp,
	author = {M. Hofer and H. Pottmann},
	title = {{O}rientierung von {L}aserscanner-{P}unktwolken},
	year = {2003},
	volume = 91,
	pages = "297--306",
	journal = "Vermessung {\&} Geoinformation",
	url="/geom/ig/papers/tr113.pdf",
}

 
@article{wallner-2004-vi,
	author = {J. Wallner and H. Pottmann},
	title = {Variational interpolation of subsets},
	journal = "Constr. Approx.",
	year = 2004,
	pages = "233-248",
	volume = 20,
	url="http://www.geometrie.tugraz.at/wallner/var1.pdf",
	issn = {0176-4276},
	mrclass = {41A29 (53A04 65D17)},
	mrnumber = {2005a:41012},
	zblnumber={1067.41010},
	doi="10.1007/s00365-003-0554-1"
}
 
@incollection{pottmann-2004-lg3d,
	author = {H. Pottmann and M. Hofer and B. Odehnal and J. Wallner},
	title = {Line geometry for 3{D} shape understanding and reconstruction},
	year = {2004},
	editor = "T. Pajdla and J. Matas",
	booktitle = "Computer Vision --- ECCV 2004, Part I",
	series = "Lecture Notes in Computer Science",
	publisher = "Springer",
	volume = 3021,
	pages = "297--309",
	isbn="3-540-21984-6",
	url="http://www.geometrie.tugraz.at/wallner/eccv.pdf",
	zblnumber={1098.68842},
	doi="10.1007/b97865",
}
 
@incollection{pottmann-2004-im,
	author = {H. Pottmann and T. Steiner and M. Hofer and C. Haider and
		A. Hanbury},
	title = {The isophotic metric and its application to feature sensitive
		morphology on surfaces},
	year = {2004},
	editor = "T. Pajdla and J. Matas",
	booktitle = "Computer Vision --- ECCV 2004, Part IV",
	series = "Lecture Notes in Computer Science",
	publisher = "Springer",
	volume = 3024,
	pages = "560--572",
	url="/geom/ig/papers/isomet04.pdf",
}
 
@article{pottmann-2004-rwicp,
	author = {H. Pottmann and S. Leopoldseder and M. Hofer},
	title = {Registration without {ICP}},
	journal = "Computer Vision and Image Understanding",
	volume = 95,
	number = 1,
	pages = "54--71",
	year = {2004},
	url="/geom/ig/papers/tr91.pdf",
}
 
@proceedings{pottmann-2004-gmp,
	editor = "Pottmann, H. and Hu, S.-M.",
	title = "{2004 Geometric Modeling and Processing,
		Theory and Applications}",
	year = 2004,
	publisher = "IEEE Computer Society",
	isbn = "0-7695-2078-2",
	note = "{P}roceedings of the GMP conference in Beijing,
		April 13-15, 2004.",
}
 
@incollection{pottmann-2004-vmd,
	author = {H. Pottmann and M. Hofer and B. Ravani},
	title = {Variational motion design},
	booktitle = {On Advances in Robot Kinematics},
	editor = {J. Lenar\v{c}i\v{c} and  C. Galletti},
	publisher = {Kluwer},
	year = {2004},
	pages = {361--370},
	notexx = "Proceedings ARK'04 conference (Sestri Levante)",
	url = "/geom/ig/papers/ark04.pdf",
}
 
@article{hofer-2004-cdbd,
	author = {M. Hofer and H. Pottmann and B. Ravani},
	title = {From curve design algorithms to the design
		of rigid body motions},
	journal = {The Visual Computer},
	volume = {20},
	number = {5},
	year = {2004},
	pages = {279--297},
	url="/geom/ig/papers/smd_vc.pdf",
}
 
@inproceedings{pottmann-2004-rpcdgo,
	author = "N. J. Mitra and N. Gelfand and H. Pottmann and L. Guibas",
	title = "Registration of Point Cloud Data from a Geometric
		Optimization Perspective",
	booktitle = "Eurographics Symposium on Geometry Processing",
	year = "2004",
	editor = "R. Scopigno and D. Zorin",
	pages = "23--32",
	url="/geom/ig/papers/mgpg-rpcdgop-04.pdf",
	doi="10.1145/1057432.1057435",
}
 
@article{hofer-2004-emsm,
	author = "M. Hofer and H. Pottmann",
	title = "Energy-minimizing splines in manifolds",
	xxjournal = ACMSIGGRAPH,
	journal = "ACM Transactions on Graphics (Proceedings
		of ACM SIGGRAPH 2004)",
	publisher = "ACM Press / ACM SIGGRAPH",
	volume = {23},
	number = {3},
	pages = {284--293},
	year = 2004,
	xxorganization = "ACM",
	url = "/geom/ig/papers/sig04.pdf",
}
 
@article{pottmann-2004-igraacad,
	author = "H. Pottmann and S. Leopoldseder and M. Hofer and T. Steiner
		and W. Wang",
	title = "{I}ndustrial {G}eometry: Recent Advances and
		Applications in {CAD}",
	journal = "Computer-Aided Design Appl.",
	issn = "1686-4360",
	year = "2004",
	volume = 1,
	pages = "513-522",
	url = "/geom/ig/papers/cad04.pdf",
}
 
@incollection{wallner-2005-sv,
	author = "Johannes Wallner and Qin-Min Yang",
	title = "Swept volumes of many poses",
	booktitle = {{SGP} 2005: Third Eurographics Symposium on
			Geometry processing},
	publisher = {Eurographics Association},
	isbn = "3-905673-24-X",
	pages = "161-170",
	editor = "Matthieu Desbrun and Helmut Pottmann",
	url = "http://www.geometrie.tugraz.at/wallner/tmotion.pdf",
	year = 2005,
}
 
@inproceedings{gelfand-2005-rr,
	author = "Natasha Gelfand and Niloy J. Mitra and Leonidas J. Guibas
		and Helmut Pottmann",
	title = "Robust Global Registration",
	booktitle = {{SGP} 2005: Third Eurographics Symposium on
			Geometry processing},
	publisher = {Eurographics Association},
	isbn = "3-905673-24-X",
	pages = "197-206",
	editor = "Matthieu Desbrun and Helmut Pottmann",
	xxurl="http://graphics.stanford.edu/projects/lgl/papers/gmgp-rgr-05/gmgp-rgr-05.pdf",
	url="/geom/ig/papers/gmgp-rgr-05.pdf",
	year = 2005,
}
 
@inproceedings{gelfand-2005-rr,
	author = "Natasha Gelfand and Niloy J. Mitra and Leonidas J. Guibas
		and Helmut Pottmann",
	title = "Robust Global Registration",
	booktitle = {{SGP} 2005: Third Eurographics Symposium on
			Geometry processing},
	publisher = {Eurographics Association},
	isbn = "3-905673-24-X",
	pages = "197-206",
	editor = "Matthieu Desbrun and Helmut Pottmann",
	xxurl="http://graphics.stanford.edu/projects/lgl/papers/gmgp-rgr-05/gmgp-rgr-05.pdf",
	url="/geom/ig/papers/gmgp-rgr-05.pdf",
	year = 2005,
}
 
@article{peternell-sv-2005,
	author = "Martin  Peternell and Helmut Pottmann and Tibor
		Steiner and Hongkai Zhao",
	title ="Swept Volumes",
	journal =  "Computer-Aided Design Appl.",
	volume = 2,
	pages = "599-608",
	year = 2005,
	url="/peternell/envelope_v4.pdf",
	}
 
@proceedings{desbrun-2005-sgp,
	editor = "M. Desbrun and H. Pottmann",
	title = {{SGP} 2005: Third Eurographics Symposium on
			Geometry processing},
	publisher = {Eurographics Association},
	isbn = "3-905673-24-X",
	year = 2005,
	note = "Proceedings of the Conference in {V}ienna, July 4-6."
} 
 
@article{pottmann-2005-vascs,
	author = {H. Pottmann and M. Hofer},
	title = {A variational approach to spline curves on surfaces},
	journal = "Comput. Aided Geom. Design",
	volume = 22,
	pages = "693-709",
	number = 7,
	year = "2005",
	url="/geom/ig/papers/vscs.pdf",
}
 
@misc{wallner-2005-fcn,
	author = "J. Wallner and H. Pottmann and M. Hofer",
	title = "Fair Curve Networks in Nonlinear Geometries",
	url="http://www.geometrie.tugraz.at/wallner/fwsketch.pdf",
	howpublished="ACM SIGGRAPH 2005 Conference Abstracts and
		Applications, August 2005 (electronic).",
}
 
@inproceedings{hofer-2005-3dsr,
	title = "{3D} shape recognition and reconstruction based on
		line element geometry",
	author = "M. Hofer and B Odehnal and H. Pottmann and T. Steiner
		and J. Wallner",
	booktitle = "Tenth IEEE International
		Conference on Computer Vision",
	year = 2005,
	volume = 2,
	pages = "1532--1538",
	publisher="IEEE Computer Society",
	isbn="0-7695-2334-X",
	url="http://www.geometrie.tugraz.at/wallner/iccv05line.pdf",
}
 
@article{pottmann-2005-igraacad,
	author = "H. Pottmann and S. Leopoldseder and M. Hofer and T. Steiner
		and W. Wang",
	title = "{I}ndustrial {G}eometry: Recent Advances and
		Applications in {CAD}",
	journal = "Computer-Aided Design",
	year = "2005",
	volume = "37",
	number = "7",
	pages = "751-766",
	url = "/geom/ig/papers/cad04.pdf",
}
 
@article{huang-2006-rfo,
	author = "Qi-Xing Huang and Simon Fl{\"o}ry and Natasha Gelfand and 
		Michael Hofer and Helmut Pottmann",
	title = "Reassembling Fractured Objects by Geometric Matching",
	journal = {ACM Trans. Graphics},
	volume = 25,
	number = 3,
	year = 2006,
	pages = "569-578",
	note = "Proc. SIGGRAPH 2006.",
	url = "/fg4/papers/reassembling.pdf",
}
 
@article{liu-2006-cm,
	author = {Yang Liu and Helmut Pottmann and Johannes Wallner
		and Yong-Liang Yang and Wenping Wang},
	title = {Geometric modeling with conical meshes and developable
		surfaces},
	journal = {ACM Trans. Graphics},
	volume = 25,
	number = 3,
	year = 2006,
	issn = {0730-0301},
	pages = {681--689},
	note = "Proc. SIGGRAPH",
	url = "http://www.geometrie.tugraz.at/wallner/quad06.pdf",
	doi = {http://doi.acm.org/10.1145/1141911.1141941},
}
 
@inproceedings{yang-2006-rpc,
	author = "Yong-Liang Yang and Yu-Kun Lai and Shi-Min Hu and
			Helmut Pottmann",
	title = "Robust Principal Curvatures on Multiple Scales",
	booktitle = {{SGP} 2006: 4th Eurographics Symposium on
			Geometry processing},
	publisher = {Eurographics Association},
	editor = "Konrad Polthier and Alla Sheffer",
	url = "http://www.geometrie.tugraz.at/wallner/sgp06-electronic.pdf",
	year = 2006,
	pages = "223-226",
}
 
@article{liu-2006-csr,
	author = "Y. Liu and H. Pottmann and W. Wang",
	title = "Constrained {3D} shape reconstruction using a combination
		of surface fitting and registration",
	journal = "Computer-Aided Design", 
	volume = "38",
	number = "6",
	pages = "572-583",
	year = 2006,
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr144.pdf",
}
 
@article{lai-2006-sffsp,
	author = "Y. Lai and S.-H. Hu and H. Pottmann",
	title = "Surface fitting based on a feature sensitive parametrization",
	journal = "Computer-Aided Design",
	volume  = "38",
	number = "7",
	pages = "800-807", 
	year = "2006",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr145.pdf",
}
 
@article{wang-2005-fbc,
	author = {W. Wang and H. Pottmann and Y. Liu},
	title = {Fitting {B}-spline curves to point clouds by squared
		distance minimization},
	journal = "ACM Trans. Graphics",
	year = 2006,
	volume = 25,
	issue = 2,
	pages = "214-238",
	url = "/geom/ig/papers/tr143.pdf",
	zweiturl = "http://www.cs.hku.hk/research/techreps/document/TR-2004-11.pdf",
}
 
@article{wallner-2006-is,
	author = {J. Wallner and H. Pottmann},
	title = {Intrinsic Subdivision with Smooth Limits for
		Graphics and Animation},
	journal = "ACM Trans. Graphics",
	year = 2006,
	volume = 25,
	number = 2,
	pages = "356-374",
	url="http://www.geometrie.tuwien.ac.at/wallner/sgsd.pdf",
	doi="10.1145/1138450.1138459",
}
 
@article{pottmann-2005-gca,
	author = {Helmut Pottmann and Qi-Xing Huang and
		Yong-Liang Yang and Shi-Min Hu},
	title = {Geometry and convergence analysis of algorithms
		for registration of 3{D} shapes},
	journal = "Int. J. Computer Vision",
	year = 2006,
	volume = "67",
	number = "3",
	pages = "277-296",
	url="/geom/ig/papers/tr117.pdf",
}
 
@article{wallner-2007-min,
	title = "Infinitesimally flexible meshes and discrete
		minimal surfaces",
	author = "Johannes Wallner and Helmut Pottmann",
	journal = {Monatshefte Math.},
	year = 2007,
	note = "to appear",
	url = "http://www.geometrie.tugraz.at/wallner/cmin.pdf",
}

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%
% 2007
%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
@incollection{aichholzer-2007-balls,
	author = "O. Aichholzer and F. Aurenhammer and T. Hackl and
		B. Kornberger and M. Peternell and H. Pottmann",
	title = "Approximating Boundary-Triangulated Objects with Balls",
	institution = "Vienna University of Technology",
	year = "2007",
	booktitle = "Proc. 23rd European Workshop on Computational Geometry",
	pages = "130-133",
	publisher = "TU Graz",
	url = "http://www.igi.tugraz.at/auren/psfiles/aahkpp-abtob-07.ps.gz",
} 
 
@incollection{aurenhammer-2007-isvd,
	author = "F. Aurenhammer and J. Wallner and
		 M. Peternell and H. Pottmann",
	title = "Voronoi Diagrams for Oriented Spheres",
	booktitle = "Proc. ISVD'07: 4th Int. Conf. Voronoi Diagrams in
		Science and Engineering",
	year = "2007",
	publisher = "IEEE Computer Society",
	editor = "Chris Gold",
	isbn = {0-7695-2869-4},
	doi = {http://doi.ieeecomputersociety.org/10.1109/ISVD.2007.45},
	pages="33-37",
	url = "http://www.geometrie.tugraz.at/wallner/zykel_ieee.pdf",
}
 
@article{lai-2007-fs,
	title = "Robust Feature Classification and Editing",
	author = "Yu-Kun Lai and Qian-Yi Zhou and Shi-Min Hu and
		Johannes Wallner and Helmut Pottmann",
	volume= 13,
	number = 1,
	pages = "34-45",
	year = 2007,
	journal = "IEEE Trans. Vis. Comp. Graphics",
	url="/geom/ig/papers/tr135.pdf",
	doi="10.1109/TVCG.2007.19",
}
 
@incollection{pottmann-2007-dsad,
	author = "Helmut Pottmann and Brell-Cokcan, Sigrid
		and Johannes Wallner",
	editor = "Patrick Chenin and Tom Lyche and Larry L. Schumaker",
	title = "Discrete Surfaces for Architectural Design",
	booktitle = "Curves and Surface Design: Avignon 2006",
	publisher = "Nashboro Press",
	pages = "213-234",
	isbn = "978-0-9728482-7-5",
	year = 2007,
	url = "http://www.geometrie.tugraz.at/wallner/avignon.pdf",
}
 
@article{pottmann-2007-pm,
	author = "Helmut Pottmann and Yang Liu and Johannes Wallner
		and Alexander Bobenko and Wenping Wang",
	title = "Geometry of Multi-layer Freeform Structures for Architecture",
	journal = {ACM Trans. Graphics},
	year = 2007,
	volume = 26,
	number = "3",
	pages = "\#65, 1-11",
	note = "{P}roc. SIGGRAPH",
	url = "http://www.geometrie.tugraz.at/wallner/parallel.pdf",
	doi={http://doi.acm.org/10.1145/1275808.1276458},
}


 
@article{kilian-2007-gmss,
	author = "Martin Kilian and Niloy J. Mitra and Helmut Pottmann",
	title = "Geometric Modeling in Shape Space",
	journal = "ACM Trans. Graphics",
	volume = 26,
	number = "3",
	pages = "\#64, 1-8",
	year = 2007,
	note = "{Proc.\ SIGGRAPH}",
	doi = "http://doi.acm.org/10.1145/1275808.1276457",
	url = "http://graphics.stanford.edu/~niloy/research/shape_space/paper_docs/shape_space_sig_07.pdf",
}
 
@incollection{mitra-2007-dgr,
	author = "N. J. Mitra and S. Fl{\"o}ry and M. Ovsjanikov
		and N. Gelfand and L. Guibas and H. Pottmann",
	title = "Dynamic Geometry Registration",
	booktitle = "Symposium on Geometry Processing",
	year =  2007,
	pages = "173-182",
	editor = "A. Belyaev and M. Garland",
	publisher = "Eurographics",
	url = "http://graphics.stanford.edu/~niloy/research/dyn_registration/paper_docs/dyn_registration_sgp_07.pdf",
}

 
@article{pottmann-2006-ii,
	author = "Helmut Pottmann and Johannes Wallner and
		Yong-Liang Yang and Yu-Kun Lai and Shi-Min Hu",
	title = "Principal curvatures from the integral invariant viewpoint",
	journal = "Comput. Aided Geom. Design",
	year = 2007,
	volume = 24,
	pages = {428-442},
	publisher = "Elsevier",
	url= "http://www.geometrie.tugraz.at/wallner/icagd.pdf",
}

 
@incollection{pottmann-2007-ds,
	author = "Helmut Pottmann and Yang Liu",
	title = "Discrete Surfaces in Isotropic Geometry",
	booktitle = "Mathematics of Surfaces XII",
	year = 2007,
	editor = "M. Sabin and J. Winkler",
	series = "LNCS",	
	volume = 4647,
	publisher = "Springer",
	pages = "341-363",
	url="http://i.cs.hku.hk/~gfxgroup/publications/Discrete%20Surfaces%20in%20Isotropic%20Geometry.pdf",
}
 
@book{pottmann-2007-ag,
	author = {H. Pottmann and A. Asperl and M. Hofer and A. Kilian},
	title = {Architectural Geometry},
	publisher = {Bentley Institute Press},
	address = {},
	isbn = "978-1-934493-04-5",
	year = {2007},
	url = "http://www.architecturalgeometry.at",
}
 
@misc{pottmann-2007-iir,
	author="Helmut Pottmann and Johannes Wallner and Qixing Huang
		and Yong-Liang Yang",
	title = "Integral Invariants for Robust Geometry Processing",
	howpublished = "preprint, TU Wien",
	year = 2006,
	url="http://dmg.tuwien.ac.at/wallner/iirgp.pdf",
}

 
@techreport{fidler-2007-ip,
	author = "T. Fidler and M. Grasmair and H. Pottmann and O.
		Scherzer",
	title = "Inverse Problems of Integral Invariants and Signatures",
	year = 2007,
	institution = "Johann Radon Inst. Comp. Appl. Math",
	url = "http://www.ricam.oeaw.ac.at/publications/reports/07/rep07-01.pdf",
	number = "2007-01",
}

 
@article{pottmann-2007-fg,
	title = "The focal geometry of circular and conical meshes",
	author = "Helmut Pottmann and Johannes Wallner",
	journal = {Adv. Comp. Math},
	year = 2007,
	note = "to appear",
	url = "http://www.geometrie.tugraz.at/wallner/focal.pdf",
}
 
@article{wallner-2007-fw,
	author = "J. Wallner and H. Pottmann and M. Hofer",
	title = "Fair Webs",
	journal = "The Visual Computer",
	year = "2007",
	volume = 23,
	number = 1, 
	pages = "83-94",
	url="http://www.geometrie.tuwien.ac.at/wallner/fairwebs.pdf",
	doi="10.1007/s00371-006-0088-1",
}

 
@article{odehnal-2006-ekgle,
	author = "B.  Odehnal and H. Pottmann and J. Wallner",
	title = "Equiform kinematics and the geometry of line elements",
	journal = "Beitr. Algebra Geom.",
	year = 2006,
	volume = 47,
	number = 2,
	pages = "567-582",
	url="http://www.geometrie.tugraz.at/wallner/ekgle.pdf",
}
 
@article{NOpottmann-2005-mbss,
	author = "D. H{\"o}nigmann and B. Petersch and
		J. Ruisz and H. Pottmann",
	title ="Manifold-based soft segmentation",
	journal = "Computerized Medical Imaging and Graphics",
	year = 2005,
	note = "submitted and retracted",
}
 
@article{lagmin,
	title = "{L}aguerre minimal surfaces, isotropic geometry
		and linear elasticity",
	author = "Helmut Pottmann and Philipp Grohs and Niloy J. Mitra",
	institution = {Vienna Univ. of
		Technology},
	journal = "Adv. Comp. Math.",
	note = "to appear",
	url = "http://www.geometrie.tuwien.ac.at/grohs/papers/laguerre.pdf",
}
 
@techreport{wallner-tr84,
	author = {J. Wallner and H. Pottmann},
	title = {Variational interpolation},
	institution = "Institut f{\"u}r {G}eometrie, TU {W}ien",
	number = {84},
	year = {2001},
	url="http://www.geometrie.tuwien.ac.at/wallner/var.ps.gz",
}
 
@techreport{pottmann-tr91,
	author = {H. Pottmann and S. Leopoldseder and M. Hofer},
	title = {Registration without {ICP}},
	institution = {Institute of Geometry},
	number = {91},
	year = {2002},
	month = {February},
	url = "http://www.geometrie.tuwien.ac.at/geom/ig/papers/tr91.pdf",
	publishedas = {pottmann-2004-rwicp},
}
 
@techreport{muehlthaler-tr92,
	author = {H. M{\"u}hlthaler and H. Pottmann},
	title = {Computing the {M}inkowski sum of ruled surfaces},
	institution = {Institute of Geometry},
	number = {92},
	year = {2002},
	month = {March},
	publishedas = {muehlthaler-2003-cms},
}
 
@techreport{pottmann-tr94,
	author = {H. Pottmann and S. Leopoldseder},
	title = {A concept for parametric surface fitting which avoids the
		parametrization problem},
	institution = {Institute of Geometry},
	number = {94},
	year = {2002},
	month = {June},
	publishedas = {pottmann-2003-cps},
	url="http://www.geometrie.tuwien.ac.at/geom/ig/papers/pot129.pdf",
}
 
@techreport{hofer-tr95,
	author = {M. Hofer and H. Pottmann and B. Ravani},
	title = {From curve design algorithms to motion design},
	institution = {Institute of Geometry},
	number = {95},
	year = {2002},
	month = {July},
	publishedas = {hofer-2004-cdbd},
	url="http://www.geometrie.tuwien.ac.at/geom/ig/papers/tr95.pdf",
}
 
@techreport{pottmann-tr97,
	author = {M. Hofer and H. Pottmann and B. Ravani},
	title = {Geometric design of motions constrained by a contacting
		surface pair},
	institution = {Institute of Geometry},
	number = {97},
	year = {2002},
	month = {December},
	publishedas = {hofer-2003-gdm},
	url="http://www.geometrie.tuwien.ac.at/geom/ig/papers/tr97.pdf",
}
 
@techreport{pottmann-tr99,
	author = {H. Pottmann and M. Hofer and B. Odehnal and J. Wallner},
	title = {Line geometry for 3{D} shape understanding and reconstruction},
	institution = {Institute of Geometry},
	number = {99},
	year = {2003},
	month = {October},
	publishedas = {pottmann-2004-lg3d},
	url="http://www.geometrie.tuwien.ac.at/wallner/eccv.pdf",
}
 
@techreport{peternell-tr100,
	author = {M. Peternell and H. Pottmann and T. Steiner},
	title = {Hough transform and {L}aguerre geometry for the recognition
		and reconstruction of special 3{D} shapes},
	institution = {Institute of Geometry},
	number = {100},
	year = {2003},
	month = {April},
	url="http://www.geometrie.tuwien.ac.at/peternell/hough_lag1.pdf",
}
 
@techreport{leopoldseder-tr101,
	author = {S. Leopoldseder and H. Pottmann and H. Zhao},
	title = {The $d^2$-tree: A hierarchical representation of the squared
		distance function},
	institution = {Institute of Geometry},
	number = {101},
	year = {2003},
	month = {March},
	url="http://www.geometrie.tuwien.ac.at/ig/papers/t_rep101.pdf",
}
 
@techreport{pottmann-tr108,
	author = {H. Pottmann and T. Steiner and M. Hofer and C. Haider and
		A. Hanbury},
	title = {The isophotic metric and its application to feature sensitive
		morphology on surfaces},
	institution = {Institute of Geometry},
	number = {108},
	year = {2003},
	month = {October},
	publishedas = {pottmann-2004-im},
	url="http://www.geometrie.tuwien.ac.at/geom/ig/papers/isomet04.pdf",
}
 
@techreport{hofer-tr113,
	author = {M. Hofer and H. Pottmann},
	title = {{O}rientierung von {L}aserscanner-{P}unktwolken},
	institution = {Institut f{\"u}r Geometrie},
	number = {113},
	year = {2003},
	publishedas = {hofer-2003-olp},
	url="http://www.geometrie.tuwien.ac.at/geom/ig/papers/tr113.pdf",
}
 
@techreport{pottmann-tr114,
	author = {H. Pottmann and M. Hofer and B. Ravani},
	title = {Variational motion design},
	institution = {Institute of Geometry},
	number = {114},
	year = {2003},
	publishedas = {pottmann-2004-vmd},
	month = {December},
	url = "http://www.goemetrie.tuwien.ac.at/ig/papers/ark04.pdf",
}
 
@techreport{pottmann-tr115,
	author = {H. Pottmann and M. Hofer},
	title = {A variational approach to spline curves on surfaces},
	institution = {Institute of Geometry},
	number = {115},
	year = {2003},
	publishedas = {pottmann-2005-vascs},
	month = {October},
	url="http://www.geometrie.tuwien.ac.at/ig/papers/vscs.pdf",
}
 
@techreport{pottmann-tr117,
	author = {Helmut Pottmann and Qi-Xing Huang and
		Yong-Liang Yang and Shi-Min Hu},
	title = {Geometry and convergence analysis of algorithms
		for registration of 3{D} shapes},
	institution = {Geometry Preprint Series, TU Wien},
	number = {117},
	year = {2004},
	month = {June},
	publishedas = "pottmann-2005-gca",
	url="http://www.geometrie.tuwien.ac.at/ig/papers/tr117.pdf",
}
 
@techreport{wallner-tr120,
	author = {J. Wallner and H. Pottmann},
	title = {Intrinsic Subdivision with Smooth Limits for
		Graphics and Animation},
	institution = "Geometry Preprint Series, TU Wien",
	number = "120",
	month = "January",
	year = 2004,
	publishedas = "wallner-2005-is",
	url="http://www.geometrie.tuwien.ac.at/wallner/sgsd.pdf",
}
 
@techreport{pottmann-tr121,
	author = "H. Pottmann and M. Hofer",
	title = "Algorithms for Constrained Minimization of
		Quadratic Functions --- Geometry and Convergence Analysis",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 121,
	month = "January",
	year = 2004,
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/foot_tr121.pdf",
}
 
@techreport{hofer-tr122,
	author = "M. Hofer and H. Pottmann",
	title = "Energy-minimizing splines in manifolds",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	publishedas = "hofer-2004-emsm",
	number = 122,
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/sig04.pdf",
	year = 2004,
}
 
@techreport{odehnal-tr128,
	author = "B.  Odehnal and H. Pottmann and J. Wallner",
	title = "Equiform kinematics and the geometry of line elements",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 128,
	year = 2004,
	month = "November",
	url="http://www.geometrie.tuwien.ac.at/wallner/ekgle.pdf",
	publishedas="odehnal-2006-ekgle",
}
 
@techreport{peternell-tr130,
	author = "M.  Peternell and H. Pottmann and T. Steiner and H. Zhao",
	title ="Swept Volumes",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 130,
	year = 2004,
	month = "November",
	url="http://www.geometrie.tuwien.ac.at/peternell/envelope_v2.pdf",
	publishedas="peternell-sv-2005",
	}
 
@techreport{wallner-tr134,
	author = "J. Wallner and H. Pottmann and M. Hofer",
	title = "Fair Webs",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 134,
	year = 2005,
	month = "January",
	url="http://www.geometrie.tuwien.ac.at/wallner/fairwebs.pdf",
	publishedas="wallner-2007-fw",
}
 
@techreport{lai-tr135,
	author = "Y. Lai and Q. Zhou and S. Hu and J. Wallner and H. Pottmann",
	title = "Feature sensitive geometry processing",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 135,
	year = 2005,
	month = "January",
	url="http://www.geometrie.tuwien.ac.at/ig/papers/tr135orig.pdf",
	publishedas = "lai-2007-fs",
}
 
@techreport{hofer-tr136,
	title = "{3D} shape recognition and reconstruction based on
		line element geometry",
	author = "M. Hofer and B Odehnal and H. Pottmann and T. Steiner
		and J. Wallner",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 136,
	year = 2005,
	month = "March",
	url="http://www.geometrie.tuwien.ac.at/wallner/iccv05line.pdf",
	publishedas = "hofer-2005-3dsr",
}
 
@techreport{peternell-tr140,
	author = "M. Peternell and H. Pottmann and T. Steiner",
	title = "Minkowski sum boundary surfaces of {3D}-objects",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 140,
	year = 2005,
	month = "August",
	url = "http://www.geometrie.tuwien.ac.at/peternell/ms_paper_v1.pdf",
	publishedas="peternell-2007-msb",
}
 
@techreport{hofer-tr142,
	author = "M. Hofer and H. Pottmann",
	title = "Designing energy-minimizing rigid body motions in the
		presence of obstacles",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 142,
	year = 2005,
	month = "July",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr142.pdf",
}
 
@techreport{wang-tr143,
	author = "W. Wang and H. Pottmann and Y. Liu",
	title = "Fitting {B}-spline curves to point clouds by squared
		distance minimization",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 143,
	year = 2005,
	month = "August",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr143.pdf",
	publishedas = "wang-2005-fbc"
}
 
@techreport{liu-tr144,
	author = "Y. Liu and H. Pottmann and W. Wang",
	title = "Constrained {3D} shape reconstruction using a combination
		of surface fitting and registration",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 144,
	year = 2005,
	month = "August",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr144.pdf",
	publishedas = "liu-2006-csr",
}
 
@techreport{lai-tr145,
	author = "Y. Lai and S.-H. Hu and H. Pottmann",
	title = "Surface fitting based on a feature sensitive parametrization",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 145,
	year = 2005,
	month = "October",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr145.pdf",
	publishedas = "lai-2006-sffsp",
}
 
@techreport{pottmann-tr146,
	author = "H. Pottmann and Q.-X. Huang and Y.-L. Yang and S. K{\"o}lpl",
	title = "Integral invariants for robust geometry processing",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 146,
	year = 2005,
	month = "November",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr146.pdf",
}
 
@techreport{huang-tr152,
	author = "Qi-Xing Huang and Helmut Pottmann",
	title = {Automatic and Robust Multi-View Registration},
	institution = {Geometry Preprint Series, Vienna Univ.
		of Technology},
	number = 152,
	year = 2005,
	month = "December",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/tr152.pdf",
}
 
@techreport{huang-tr153,
	author = "Qi-Xing Huang and Simon Fl{\"o}ry and Natasha Gelfand and 
		Michael Hofer and Helmut Pottmann",
	title = "Reassembling Fractured Objects by Geometric Matching",
	institution = {Geometry Preprint Series, Vienna Univ.
		of Technology},
	number = 153,
	year = 2006,
	month = "January",
	url = "http://www.geometrie.tuwien.ac.at/ig/papers/reassembling.pdf",
}
 
@techreport{liu-tr156,
	author = "Y.  Liu and H. Pottmann and  J. Wallner 
		and W. Wang and Y. Yang",
	title = "Geometric Modeling with Conical Meshes and 
			Developable Surfaces",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 156,
	month = "January",
	year = 2006,
	url = "http://www.geometrie.tuwien.ac.at/wallner/quad06.pdf",
	publishedas = "liu-2006-cm",
}
 
@techreport{pottmann-tr158,
	author = "H. Pottmann",
	title = "Generalized conical meshes and their support structures",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 158,
	year = 2006,
	month = "April",
}
 
@techreport{wallner-tr162,
	title = "Infinitesimally flexible meshes and discrete
		minimal surfaces",
	author = "Johannes Wallner and Helmut Pottmann",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 162,
	month = "August",
	year = 2006,
	url = "http://www.geometrie.tugraz.at/wallner/cmin.pdf",
	publishedas = "wallner-2007-min",
}
 
@techreport{pottmann-tr163,
	title = "The focal geometry of circular and conical meshes",
	author = "Helmut Pottmann and Johannes Wallner",
	institution = {Geometry Preprint Series, Vienna Univ. of Technology},
	number = 163,
	month = "August",
	year = 2006,
	url = "http://www.geometrie.tuwien.ac.at/wallner/focal.pdf",
	publishedas={pottmann-fg-2007},
}
 
@techreport{pottmann-tr168,
	author = "Helmut Pottmann and Sigrid Brell-Cokcan and Johannes
		Wallner",
	title = "Discrete Surfaces for Architectural Design",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 168,
	month ="October",
	year= 2006,
	url = "http://www.geometrie.tugraz.at/wallner/avignon.pdf",
	publishedas="pottmann-2007-dsad",
}
 
@techreport{thorstensen-tr170,
	author = "N. Thorstensen and M. Hofer and G. Sapiro and H. Pottmann",
	title = "Measuring Cortical Thickness from Volumetric {MRI} Data",
	institution = "Vienna University of Technology",
	year = "2006",
	month = "December",
	type = "Geometry Preprint",
	number = "170",
	url = "http://dmg.tuwien.ac.at/fg4/papers/tr170.pdf",
}
 
@techreport{nawratil-tr172,
	author = "G. Nawratil and H. Pottmann and B. Ravani",
	title = "Generalized penetration depth computation based on 
		kinematical
	geometry",
	institution = "Vienna University of Technology",
	year = "2007",
	month = "March",
	type = "Geometry Preprint",
	number = "172",
	url = "http://www.geometrie.tuwien.ac.at/nawratil/gpdcbokg.pdf", 
} 
 
@techreport{kilian-tr173,
	author = "M. Kilian and N. Mitra and H. Pottmann",
	title = "Geometric modeling in shape space",
	institution = "Vienna University of Technology",
	year = "2007",
	month = "January",
	type = "Geometry Preprint",
	number = "173",
	publishedas="kilian-2007-gmss",
}
 
@techreport{aichholzer-tr175,
	author = "O. Aichholzer and F. Aurenhammer and T. Hackl and
		B. Kornberger and M. Peternell and H. Pottmann",
	title = "Approximating Boundary-Triangulated Objects with Balls",
	institution = "Vienna University of Technology",
	year = "2007",
	month = "February",
	type = "Geometry Preprint",
	number = "175", 
	url = "http://www.igi.tugraz.at/auren/psfiles/aahkpp-abtob-07.ps.gz",
	publishedas = "aichholzer-2007-balls",
} 
 
@techreport{aurenhammer-tr176,
	author = "F. Aurenhammer and J. Wallner and
		M. Peternell and H. Pottmann",
	title = "Voronoi Diagrams for Oriented Spheres",
	institution = "Vienna University of Technology",
	year = "2007",
	month = "March",
	type = "Geometry Preprint",
	number = "176",
	url="http://www.geometrie.tugraz.at/wallner/zykel_ieee.pdf",
	publishedas="aurenhammer-2007-isvd",
}
 
@techreport{pottmann-tr180,
	title = "{L}aguerre minimal surfaces, isotropic geometry
		and linear elasticity",
	author = "Helmut Pottmann and Philipp Grohs and Niloy J. Mitra",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 180,
	month = "July",
	year = 2007,
	url = "http://www.geometrie.tuwien.ac.at/grohs/papers/laguerre.pdf",
}
 
@techreport{pottmann-tr181,
	author = "Helmut Pottmann and Yang Liu and Johannes Wallner
		and Alexander Bobenko and Wenping Wang",
	title = "Geometry of Multi-layer Freeform Structures for Architecture",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 181,
	month = "January",
	year = 2007,
	url = "http://www.geometrie.tugraz.at/wallner/parallel.pdf",
}
 
@techreport{pottmann-tr182,
	author = "Georg Nawratil and Helmut Pottmann",
	title = " Subdivision Schemes for the fair
		 Discretization of the Spherical Motion Group",
	institution = {Geometry Preprint Series, Vienna Univ. of
		Technology},
	number = 182,
	month = "June",
	year = 2007,
	url = "http://www.geometrie.tuwien.ac.at/nawratil/gitter_neu.pdf",
}
 
@phdthesis{wallner-1996-gmcsm,
	author = "J. Wallner",
	school = "Technische Universit{\"a}t Wien",
	title = "Geometric Contributions to Surface Modeling",
	advisor = "H. Pottmann",
	year = 1996,
	url="http://www.geometrie.tugraz.at/wallner/diss.ps.gz",
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{wallner-1996-gmcsm,
	author = "J. Wallner",
	school = "Technische Universit{\"a}t Wien",
	title = "Geometric Contributions to Surface Modeling",
	advisor = "H. Pottmann",
	year = 1996,
	url="http://www.geometrie.tugraz.at/wallner/diss.ps.gz",
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{peternell-1997-rp,
	author = {M. Peternell},
	title = {Rational Parametrizations for Envelopes of Quadric Families},
	school = {Vienna University of Technology},
	advisor = "H. Pottmann",
	year = {1997},
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{peternell-1997-rp,
	author = {M. Peternell},
	title = {Rational Parametrizations for Envelopes of Quadric Families},
	school = {Vienna University of Technology},
	advisor = "H. Pottmann",
	year = {1997},
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{leopoldseder-1998-css,
	author = "S. Leopoldseder",
	title = "Cone spline surfaces and spatial arc splines",
	school = "Technische Universit{\"a}t Wien",
	advisor = "H. Pottmann",
	year = 1998,
	url="/geom/ig/papers/leophd.pdf",
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{leopoldseder-1998-css,
	author = "S. Leopoldseder",
	title = "Cone spline surfaces and spatial arc splines",
	school = "Technische Universit{\"a}t Wien",
	advisor = "H. Pottmann",
	year = 1998,
	url="/geom/ig/papers/leophd.pdf",
	note = "Advisor: H. Pottmann",
}
 
@phdthesis{odehnal-2002-omlc,
	author = "B. Odehnal",
	school = "Technische Universit{\"a}t Wien",
	title = "Geometric optimization methods for line congruences",
	note = "Advisor: H. Pottmann",
	year = 2002,
}
 
@phdthesis{hofer-2004-vmdpo,
	author = "M. Hofer",
	school = "Vienna University of Technology",
	title = "Variational motion design in the presence of obstacles",
	url="/hofer/diss_hofer.pdf",
	note = "Advisor: H. Pottmann",
	year = "2004",
}
 
@misc{peternell-1999-ga,
	author = {M. Peternell and H. Pottmann},
	title = {Geometric Approximation},
	howpublished = {Part of a
		1-day Course entitled 'Applications of Classical Geometry in
		Computer-Aided Design', held at the 6th SIAM conference on
		Geometric Design, Albuquerque, NM,
		Organizer: H. Pottmann},
	year = {1999},
}
 
@misc{peternell-1999-ga,
	author = {M. Peternell and H. Pottmann},
	title = {Geometric Approximation},
	howpublished = {Part of a
		1-day Course entitled 'Applications of Classical Geometry in
		Computer-Aided Design', held at the 6th SIAM conference on
		Geometric Design, Albuquerque, NM,
		Organizer: H. Pottmann},
	year = {1999},
}
 
@misc{peternell-1999-sga,
	author = {M. Peternell},
	title = {Sphere geometry with applications},
	howpublished = {Part of a
		1-day Course entitled 'Applications of Classical Geometry in
		Computer-Aided Design', held at the 6th SIAM conference on
		Geometric Design, Albuquerque, NM,
		Organizer: H. Pottmann},
	year = {1999},
}
 
@techreport{pottmann-2001-tracv16,
	author = {D. H{\"o}nigmann and J. Ruisz and H. Pottmann},
	title = {Interactive segmentation of ultrasound images},
	institution = {Advanced Computer Vision GmbH},
	number = {16},
	year = {2001},
	publishedas = {hoenigmann-2002-fmbs},
}
 
@techreport{pottmann-2003-trdavis,
	author = {H. Pottmann and J. K. Eberharter and B. Ravani},
	title = {Stereographic projection of {S}tudy's quadric},
	institution = {UC Davis},
	year = {2003},
	note = "unpublished note",
	publishedas = "eberharter-2003-sp",
}
 
@misc{peternell-2003-cgsgc,
	author = {M. Peternell and H. Pottmann},
	title = {Classical Geometry for Symbolic Geometric Computing},
	howpublished = {Tutorial at the ISSAC 2003, Philadelphia,
		Organizer: J. Schicho},
	year = {2003},
	url="/peternell/issac_tutorial.pdf",
}
 
@techreport{wang-2004-tr,
	author = {W. Wang and H. Pottmann and Y. Liu},
	title = {Using squared distance minimization for curve reconstruction
		from unorganized data points},
	institution = {University of Hong Kong},
	number = {TR-2004-11 (CS series)},
	url = "http://www.cs.hku.hk/research/techreps/document/TR-2004-11.pdf",
	year = {2004},
	publishedas = "wang-2005-fbc",
}
 
@article{pottmann-2004-cadig,
	author = "H. {Pottmann, Editor}",
	title = "Industrial Geometry",
	journal = "Computer-Aided Design",
	volume = "36",
	number = 4,
	year = 2004,
	note = "Special issue",
}
 
@article{pottmann-2004-cagdig,
	author = "H. {Pottmann, Editor}",
	title = "Geometric Modeling and Processing",
	journal = "Comput. Aided Geom. Design",
	volume = "21",
	number = 8,
	year = 2004,
	note = "Special issue",
}
 
@article{pottmann-2005-cadgmp,
	author = "H. {Pottmann, Editor}",
	title = "Geometric Modeling and Processing",
	journal = "Computer-Aided Design",
	volume = "37",
	number = 5,
	year = 2005,
	note = "Special section",
}