1. An introduction to the use of splines;Bartels,1985
2. An Introduction to Splines for Use in Computer Graphics & Geometric Modeling;Bartels,1987
3. A survey of curve and surface methods in CAGD;Böhm;Computer Aided Geometric Design,1984
4. Splines as linear combinations of B-splines;de Boor,1976
5. A Practical Guide to Splines;de Boor,1978