SPIE Proceedings [SPIE Robotics - DL tentative - Boston, MA (Friday 1 November 1991)] Curves and Surfaces in Computer Vision and Graphics II - <title>Modeling with multivariate B-spline surfaces over arbitrary triangulations</title>Fong, Phillip; Seidel, Hans-Peter; Silbermann, Martine J.; Tagare, Hemant D. · 1992