Colin Ware. 3D contour perception for flow visualization. In Roland W. Fleming, Sunghee Kim, editors, Proceedings of the 3rd Symposium on Applied Perception in Graphics and Visualization, APGV 2006, Boston, Massachusetts, USA, July 28-29, 2006. Volume 153 of ACM International Conference Proceeding Series, pages 101-106, ACM, 2006. [doi]