1. Bothroyd, G. and Knight, W. A. (1989) Fundamentals of Machining and Machine Tools (2nd edn), Marcel Dekker, New York.
2. Dixon, J. R. (1986) Artificial intelligence and design: a mechanical engineering view, in Proceedings of Fifth National Conference on Artificial Intelligence, AAAI-86, 2.
3. Proceedings of Computers in Engineering;M. R. Henderson,1988
4. Keene, S. E. (1989) Object-Oriented Programming in Common LISP, Addison-Wesley, New York.
5. LeClair, S. (1991) Rapid design system: the next generation of engineering design system, Internal Report Materials Directorate, WL/MLIM, Wright-Patterson AFB, OH.