@inproceedings{ILPS-1993-YouY,
	author        = "Jia-Huai You and Li-Yan Yuan",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-63152-0",
	pages         = "640",
	publisher     = "{MIT Press}",
	title         = "{Contradiction Resolving for Extended Logic Programs and Default Theories}",
	year          = 1993,
}