@inproceedings{ICLP-1991-ColussiM,
	author        = "Livio Colussi and Elena Marchiori",
	booktitle     = "{Proceedings of the Eighth International Conference on Logic Programming}",
	isbn          = "0-262-56058-5",
	pages         = "629--642",
	publisher     = "{MIT Press}",
	title         = "{Proving Correctness of Logic Programs Using Axiomatic Semantics}",
	year          = 1991,
}