1. Forgy, C. L., “On the Efficient Implementation of Production Systems,”Ph. D. thesis, Department of Computer Science, Carnegie Mellon University, February 1979.
2. Forgy, C. L.,OPS5 User’s Manual, Department of Computer Science, Carnegie Mellon University, 1981.
3. Forgy, C. L., “Rete: A Fast Algorithm for the Many Pattern/Many Object Match Problem,”Artificial Intelligence, 19, 1, September 1982.
4. Gupta, A., “Parallelism in Production Systems,”Ph. D. thesis, Department of Computer Science, Carnegie Mellon University, 1985.
5. Gupta, A., Forgy, C. L., Kalp, D., Newell, A. and Tambe, M., “Results of Parallel Implementation of OPS5 on the Encore Multiprocessor, inProceedings of International Conference on Parallel Processing, IEEE Computer Society, pp. 1271-280, 1988.