@inproceedings{SLP-1985-OKeefe85a,
	author        = "Richard A. O'Keefe",
	booktitle     = "{Proceedings of the Second Symposium on Logic Programming}",
	isbn          = "0-8186-0636-3",
	pages         = "152--160",
	publisher     = "{IEEE-CS}",
	title         = "{Towards an Algebra for Constructing Logic Programs}",
	year          = 1985,
}