The following publications are possibly variants of this publication:
- Adaptive Isocurve-Based Rendering for Freeform SurfacesGershon Elber, Elaine Cohen. tog, 15(3):249-263, 1996. [doi]
- Interactive Line Art Rendering of Freeform SurfacesGershon Elber. cgf, 18(3):1-12, 1999.
- Metamorphosis of Freeform Curves and SurfacesGershon Elber. In Rae A. Earnshaw, John A. Vince, editors, Computer Graphics: Developments in Virtual Environments. pages 29-40, Academic Press / Elsevier, 1995. [doi]
- The Convex Hull of Freeform SurfacesJoon-Kyung Seong, Gershon Elber, John K. Johnstone, Myung-Soo Kim. computing, 72(1-2):171-183, 2004. [doi]