@inproceedings{KR-1991-PagePF,
	author        = "C. David Page Jr. and Alan M. Frisch",
	booktitle     = "{Proceedings of the Second International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-165-1",
	pages         = "429--440",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Generalizing Atoms in Constraint Logic}",
	year          = 1991,
}