1. An Introduction to Splines for Use in Computer Graphics and Geometric Modeling;Bartels,1987
2. Curves and Surfaces for Compuer Aided Geometric Design, A Practical Guide;Farin,1988
3. Modélisation des courbes et des surfaces pur la CF AO;Léon,1991
4. The Theory of Relational Databases;Maier,1983
5. Geometric Modelling;Mortenson,1985