1. Clark K. L. and Gregory, S., “A relational language for practical programming,”Proc. Conf. on Functional Programming Languages and Computer Architectures, ACM, pp. 171–178, October, 1981. Also Chapter 1 in Ref. 18. Shapiro, E. ed.,Concurrent Prolog, Collected Papers, MIT Press, 1987.)
2. Clark, K. L. and Gregory, S., “PARLOG: Parallel programming in logic,”Research Report DOC 84/4, Department of Computing Imperial College, April, 1984. Also Chapter 3 in Ref. 18. Shapiro, E. ed.,Concurrent Prolog, Collected Papers, MIT Press, 1987).
3. Foster, I., “Parallel implementation of parlog,”Proceedings International Conference of Parallel Processing, 1988.
4. Foster, I. and Taylor, S., “Flat parlog: a basis for comparison,”Int. Journal of Parallel Programming, Vol. 16, No. 2, 1987.
5. Gerth, R., Codish, M., Lichtenstein, Y. and Shapiro, E., “Fully abstract denotational semantics for flat concurrent prolog”,Proc. 3rd IEEE Symp. on Logic in Computer Science, IEEE, pp. 320–333, 1988.