1. The Theory of Splines and Their Applications;Ahlberg,1967
2. Computer Systems for Interactive Design of Three-Dimensional Shapes;Armit,1970
3. Numerical Control - Mathematics and Applications;Bezier,1973
4. Discrete B-splines and Subdivision Techniques in Computer-aided Geometric Design and Computer Graphics;Cohen;Computer Graphics and Image Processing,1980
5. On Calculating with B-splines;deBoor;Journal of Approximation Theory,1972