@inproceedings{ILPS-1993-BoerKPR,
	author        = "Frank S. de Boer and Joost N. Kok and Catuscia Palamidessi and Jan J. M. M. Rutten",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-63152-0",
	pages         = "315--334",
	publisher     = "{MIT Press}",
	title         = "{Non-monotonic Concurrent Constraint Programming}",
	year          = 1993,
}