1. Mustaq Ahmed, Anna Lubiw, Shortest descending paths through given faces, in: Proceedings of the 18th Canadian Conference on Computational Geometry, August 2006, pp. 35–38
2. Convex Optimization;Boyd,2004
3. Shortest paths on a polyhedron. I. Computing shortest paths;Chen;Internat. J. Comput. Geom. Appl.,1996
4. Trekking in the Alps without freezing or getting tired;de Berg;Algorithmica,1997
5. Computational Geometry: Algorithms and Applications;de Berg,2000