Kokhanovsky, A. A. and L. G. Sokoletsky (2006). Reflection of light from semi-infinite absorbing turbid media. Part 2: Plane albedo and reflection function. Color Research and Application 31(6): 498-509 [PDF file]
Kokhanovsky, A. A. and L. G. Sokoletsky (2006). Reflection of light from semi-infinite absorbing turbid media. Part 2: Plane albedo and reflection function. Color Research and Application 31(6): 498-509 [PDF file]