Alexander Efremov, Vlastimil Havran, Hans-Peter Seidel. Robust and numerically stable Bézier clipping method for ray tracing NURBS surfaces. In Bert Jüttler, editor, Spring Conference on Computer Graphics, SCCG 2005, Budmerice Castle, Slovakia, May 12-14, 2005. pages 127-135, ACM, 2005. [doi]
Abstract is missing.