@inproceedings{JICSLP-1992-DeneckerS,
	author        = "Marc Denecker and Danny De Schreye",
	booktitle     = "{Proceedings of the Joint International Ninth Conference and Symposium on Logic Programming}",
	isbn          = "0-262-51064-2",
	pages         = "686--700",
	publisher     = "{MIT Press}",
	title         = "{SLDNFA: An Abductive Procedure for Normal Abductive Programs}",
	year          = 1992,
}