1. Anderson RR, Parrish JA (1981) The optics of human skin. J Invest Dermatol 77(1):13–19
2. Arvo JR (1995) Analytic methods for simulated light transport. Dissertation, Yale University
3. Arvo JR (1995) Applications of irradiance tensors to the simulation of non-lambertian phenomena. In: SIGGRAPH, Annual Conference Series, pp 335–342
4. Baranoski GVG, Krishnaswamy A, Kimmel B (2003) Revisiting the foundations of subsurface scattering. Technical Report CS-2003-45, School of Computer Science, University of Waterloo
5. Baranoski GVG, Rokne JG (2004) Light interaction with plants: a computer graphics perspective. Horwood, Chichester