Subir Kumar Ghosh Partha P. Goswami Anil Maheshwari Subhas C. Nandy Sudebkumar Prasant Pal Swami Sarvattomananda Algorithms for Computing Diffuse Reflection Paths in Polygons. 47-58 2009 WALCOM http://dx.doi.org/10.1007/978-3-642-00202-1_5 conf/walcom/2009 db/conf/walcom/walcom2009.html#GhoshGMNPS09