G. , R. Sarlette, and J. Kautz, Procedural editing of bidirectional texture functions, ON RENDERING, 2007.

T. James and . Kajiya, The rendering equation, Technology, vol.20, issue.4, pp.143-150, 1986.

R. Lu, J. J. Koenderink, A. M. Kappers, and H. Instituut, Specularities on Surfaces with Tangential Hairs or Grooves, Computer Vision and Image Understanding, vol.78, issue.3, pp.320-335, 2000.
DOI : 10.1006/cviu.2000.0841