@inproceedings{ICLP-1991-FernandezM,
	author        = "José Alberto Fernández and Jack Minker",
	booktitle     = "{Proceedings of the Eighth International Conference on Logic Programming}",
	isbn          = "0-262-56058-5",
	pages         = "660--675",
	publisher     = "{MIT Press}",
	title         = "{Bottom-Up Evaluation of Hierarchical Disjunctive Deductive Databases}",
	year          = 1991,
}