1. I. Ashdown, “Near-Field Photometry: A New Approach,” Journal of the Illuminating Engineering Society of North America, vol. 22, no. 1, pp. 163–180, 1993.
2. J.F. Blinn, “Simulation of Wrinkled Surfaces,” Computer Graphics, vol. 12, no. 3, pp. 286–292, August 1978.
3. B. Cabral, N. Max, and R. Springmeyer, “Bidirectional Reflection Functions from Surface Bump Maps,” Computer Graphics, vol. 21, no. 4, pp. 273–281, July 1987.
4. M.F. Cohen and J.R. Wallace, Radiosity and Realistic Image Synthesis, Academic Press, 1993.
5. G. Drettakis, E. Fiume, and A. Fournier, Tightly-Coupled Multiprocessing for a Global Illumination Algorithm, pp. 387–398, Eurographics ’90, September 1990.