@inproceedings{PPDP-2001-Antoy,
	author        = "Sergio Antoy",
	booktitle     = "{Proceedings of the Third International Conference on Principles and Practice of Declarative Programming}",
	isbn          = "1-58113-388-X",
	pages         = "199--206",
	publisher     = "{ACM}",
	title         = "{Constructor-Based Conditional Narrowing}",
	year          = 2001,
}