@inproceedings{ILPS-1994-Marchiori,
	author        = "Massimo Marchiori",
	booktitle     = "{Proceedings of the International Symposium on Logic Programming}",
	isbn          = "0-262-52191-1",
	pages         = "392--406",
	publisher     = "{MIT Press}",
	title         = "{Localizations of Unification Freedom through Matching Directions}",
	year          = 1994,
}