@inproceedings{ILPS-1997-DebrayLHL,
	author        = "Saumya K. Debray and Pedro López-García and Manuel V. Hermenegildo and Nai-Wei Lin",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-63180-6",
	pages         = "291--305",
	publisher     = "{MIT Press}",
	title         = "{Lower Bound Cost Estimation for Logic Programs}",
	year          = 1997,
}