Tomoyuki Nishita, Yasuhiro Miyawaki, Eihachiro Nakamae. A shading model for atmospheric scattering considering luminous intensity distribution of light sources. In Maureen C. Stone, editor, Proceedings of the 14st Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1987. pages 303-310, ACM, 1987. [doi]
Abstract is missing.