@inproceedings{LICS-1991-FruhwirthSVY,
	author        = "Thom W. Frühwirth and Ehud Y. Shapiro and Moshe Y. Vardi and Eyal Yardeni",
	booktitle     = "{Proceedings of the Sixth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1991.151654",
	isbn          = "0-8186-2230-X",
	pages         = "300--309",
	publisher     = "{IEEE Computer Society}",
	title         = "{Logic Programs as Types for Logic Programs}",
	year          = 1991,
}