@inproceedings{NACLP-1989-Elcock,
	author        = "E. W. Elcock",
	booktitle     = "{Proceedings of the North American Conference on Logic Programming, 2 Volumes}",
	isbn          = "0-262-62064-2",
	pages         = "1201--1214",
	publisher     = "{MIT Press}",
	title         = "{Absys: The Historical Inevitability of Logic Programming}",
	year          = 1989,
}