Kokhanovsky, A. A. and L. G. Sokoletsky (2006). Reflection of light from semi-infinite absorbing turbid media. Part 1: Spherical albedo. Color Research and Application 31(6): 491-497 [PDF file]
Kokhanovsky, A. A. and L. G. Sokoletsky (2006). Reflection of light from semi-infinite absorbing turbid media. Part 1: Spherical albedo. Color Research and Application 31(6): 491-497 [PDF file]