David L. Kao. Which way is the flow?. In Jodi Giroux, Anne Richardson, Jill Smolin, editors, Proceedings of the 26th Annual Conference on Computer Graphics and Interactive Techniques, SIGGRAPH 1999, Los Angeles, CA, USA, August 8-13, 1999, Abstracts and Applications. pages 285, ACM, 1999. [doi]
Abstract is missing.