@inproceedings{ILPS-1994-YuanY,
	author        = "Li-Yan Yuan and Jia-Huai You",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-52191-1",
	pages         = "686",
	publisher     = "{MIT Press}",
	title         = "{A Simple but Effective Program Revision Method}",
	year          = 1994,
}