@inproceedings{NACLP-1990-CorradiniM,
	author        = "Andrea Corradini and Ugo Montanari",
	booktitle     = "{Proceedings of the North American Conference on Logic Programming, 2 Volumes}",
	isbn          = "0-262-54058-4",
	pages         = "788--812",
	publisher     = "{MIT Press}",
	title         = "{An Algebraic Semantics of Logic Programs as Structured Transition Systems}",
	year          = 1990,
}