@inproceedings{ICLP-1987-Loveland87,
	author        = "Donald W. Loveland",
	booktitle     = "{Proceedings of the Fourth International Conference on Logic Programming, 2 Volumes}",
	isbn          = "0-262-12125-5",
	pages         = "456--469",
	publisher     = "{MIT Press}",
	title         = "{Near-Horn PROLOG}",
	year          = 1987,
}