@inproceedings{ILPS-1995-HarlandPW,
	author        = "James Harland and David J. Pym and Michael Winikoff",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-62099-5",
	pages         = "636",
	publisher     = "{MIT Press}",
	title         = "{Programming in Lygon: A Brief Overview}",
	year          = 1995,
}