1. E. TURBAN (1988) Decision Support and Expert Systems, Macmillan, New York.
2. J. McDERMOTT (1982) R1: A Rule Based Configurer of Computer Systems, Artificial Intelligence, Vol. 9, No. 1, pp 39–88.
3. R. KERR (1991) Knowledge-based Manufacturing Management, Addison-Wesley, Singapore.
4. B.G. BUCHANAN, D. BARSTOW, R. BECHTEL, J. BENNET, W. CLANCEY, C. KUL1KOWSKI, T. MITCHELL and D.A. WATERMAN (1983) Constructing an Expert System, in Building Expert Systems, (Eds) Hayes-Roth, F., Waterman, D.A. and Lenet, D.B., Addison-Wesley, Reading
5. C. PRICE (1992) Practical Model-based Reasoning, AI Intelligence, February, pp 16–17.