1. A.C. Lin, S. Lin, Y. Lin, and S.B. Cheng, Extraction of Manufacturing Features from A Feature-Based Design Model, International Journal of Production Research, 35(12), 3249-3288, 1997.
2. S.M. Amaitik, “Development of a step feature-based intelligent process planning system for prismatic parts”, A PhD Thesis, Middle East Technical University, April 2005.
3. J.J. Shah, J.J., M. Mantyla, “Parametric and feature-based CAD/CAM”, John Wiley & Sons, Inc., New York, 1995.
4. N. Ismail, M.R. Osman, C.F. Tan, S.V. Wong and S. Sulaiman, “Extraction of cylindrical features from neutral data Format for CAD/CAM integration, Int. J. Engineering and Technology, Vol. 1, No.2, pp. 206-212, 2004.
5. C. F. Tan, N. Ismail, S.V. Wong, S. Sulaiman & M. R. Osman, “Development of step hole recognition system for computer aided process planning”, Jurnal Teknologi, 43(A): 73-86, 2005.