@inproceedings{KR-1991-ChouW,
	author        = "Seng-cho Timothy Chou and Marianne Winslett",
	booktitle     = "{Proceedings of the Second International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-165-1",
	pages         = "99--110",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Immortal: A Model-Based Belief Revision System}",
	year          = 1991,
}