@inproceedings{KR-2000-Lifschitz,
	author        = "Vladimir Lifschitz",
	booktitle     = "{Proceedings of the Seventh International Conference on Principles of Knowledge Representation and Reasoning}",
	pages         = "85--96",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Missionaries and Cannibals in the Causal Calculator}",
	year          = 2000,
}