@inproceedings{KR-1996-Williams,
	author        = "Mary-Anne Williams",
	booktitle     = "{Proceedings of the Fifth International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-421-9",
	pages         = "412--420",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Towards a Practical Approach to Belief Revision: Reason-Based Change}",
	year          = 1996,
}