@inproceedings{JICSCP-1988-MancarellaP88,
	author        = "Paolo Mancarella and Dino Pedreschi",
	booktitle     = "{Proceedings of the Joint International Fifth Conference and Symposium on Logic Programming, 2 Volumes}",
	isbn          = "0-262-61056-6",
	pages         = "1006--1023",
	publisher     = "{MIT Press}",
	title         = "{An Algebra of Logic Programs}",
	year          = 1988,
}