Kubo, Hiroyuki, Yoshinori Dobashi, and Shigeo Morishima. “Curvature-Dependent Reflectance Function for Interactive Rendering of Subsurface Scattering”. International Journal of Virtual Reality 10, no. 1 (January 1, 2011): 45–51. Accessed January 22, 2026. https://ijvr.eu/article/view/2801.