@inproceedings{KR-1989-RaoF,
	author        = "Anand S. Rao and Norman Y. Foo",
	booktitle     = "{Proceedings of the First International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-032-9",
	pages         = "369--380",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Formal Theories of Belief Revision}",
	year          = 1989,
}