1. Scherer WT and White CC, A survey of expert systems for equipment maintenance and diagnosis, in Fault detection and reliability, Singh MG etal. (eds), Pergamon Press, Oxford, 1987.
2. Buchanan BG and Shortliffe EH (eds), Rule-based expert systems, Addison-Wesley, Reading, Massachusetts, 1984.
3. Ho HK, Development tools for knowledge-based diagnostic systems in engineering applications, to be presented at COMADEM 90, Brunei University, UK, July 1990.
4. Clancey WJ, Heuristic classification, Artificial Intelligence, vol 27:3,1985.
5. Chandrasekaran B, Generic tasks as building blocks for knowledge-based systems: the diagnosis and routine design examples, The Knowledge Engineering Review, 1988.