@inproceedings{KR-1992-PenberthyW,
	author        = "J. Scott Penberthy and Daniel S. Weld",
	booktitle     = "{Proceedings of the Third International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-262-3",
	pages         = "103--114",
	publisher     = "{Morgan Kaufmann}",
	title         = "{UCPOP: A Sound, Complete, Partial Order Planner for ADL}",
	year          = 1992,
}