1. Numerical Control, Mathematics and Applications;Bezier,1972
2. Computational Geometry for Automated Machining, to appear in ASME Trans.;Chen,1989
3. Gan J. 1989, Setup Orientation Algorithms for NC Machining of Sculptured Surface Objects, Ph.D. dissertation, Department of Industrial and Operations Engineering, University of Michigan, Ann Arbor, Michigan.
4. Geometry and Imagination;Hilbert,1952
5. Computational Geometry - An Introduction;Preparata,1985