@incollection{davide-aag-2018,
title = "Aligning principal stress and curvature directions",
author = "Davide Pellis and Helmut Pottmann",
year = 2018,
booktitle = "Advances in Architectural Geometry",
editor = "Lars Hesselgren and Axel Kilian and Samar Malek and Karl-Gunnar
Olsson and Olga Sorkine-Hornung and Chris Williams",
publisher = "Klein Publishing Ltd",
pages = "34-53",
}