@inproceedings{CLP-1990-ShmueliT90a,
	author        = "Oded Shmueli and Shalom Tsur",
	booktitle     = "{Proceedings of the Seventh International Conference on Logic Programming}",
	isbn          = "0-262-73090-1",
	pages         = "112--129",
	publisher     = "{MIT Press}",
	title         = "{Logical Diagnosis of LDL Programs}",
	year          = 1990,
}