Diffusion and Multiple Anisotropic Scattering for Global Illumination in Clouds.

Nelson Max Greg Schussman Ryo Miyazaki Kei Iwasaki Tomoyuki Nishita Diffusion and Multiple Anisotropic Scattering for Global Illumination in Clouds. 277-284 2004 WSCG db/conf/wscg/wscg2004.html#MaxSMIN04