1. W. Chungwatana, A. C. Lin and W. F. Lu, ?Automated process planning and numerical control code generation for mechanical parts with sculptured surfaces?, The Second International Conference on Automation Technology, Vol. 2, pp. 171?178, July 1992.
2. R. B. Jerard and R. L. Drysdake, ?Geometric simulation of numerical control machining?, Proceedings ASME International Computers in Engineering Conference, pp. 129?136, 1988.
3. C. F. You and C. H. Chu, ?NC rough cut machining for solid models?, The Second International Conference on Automation Technology, vol. 2, pp. 75?82, July 1992.
4. K. Lee, T. J. Kim and S. E. Hong, ?Generation of tool path with selection of proper tools for rough cutting process?, Computer Aided Design, 26 (11), pp. 822?831, November 1994.
5. W. Boehm, ?Inserting new knots into B-Spline curves?, Computer Aided Design, 12 (4), pp. 199?201, July 1980.