References
- Farin , G. 1990 . Curves and Surfaces in Computer Aided Design, , Second Edition Boston : Academic Press. . [Farin 90]
- Press , W. H. , Teukolsky , S. A. , Vetterling , W. T. and Flannery , B. P. 1996 . Numerical Recipes in C Cambridge , , UK : Cambridge University Press. . [Press et al. 96]