Lars Schumann and Donald P. Greenberg:
“Environment Mapping for Fast and Robust Calculation of Indirect Radiant Energy,”
5th National Conference of the International Building Performance Simulation Association-USA, Madison, WI, August 1st - 3rd, 2012.
Stefan Schlechtweg, Bert Schönwälder, Lars Schumann, Thomas Strothotte:
“Surfaces to Lines: Rendering Rich Line Drawings,”
Proceedings of WSCG'98,
The Sixth International Conference in Central Europe on Computer Graphics and Visualization,
vol. 2, pp. 354-361.