1. Curves and surfaces for computer-aIded geometric design;Farin,1988
2. The NURBS book. monographs in visual communication;Piegl,1997
3. Fundamentals of computer aided geometric design;Hoschek,1993
4. Pythagorean-hodograph curves: algebra and geometry inseparable;Farouki,2008
5. Algebriac geometry;Hartshorne,1977