@inproceedings{ML-1989-YangF,
	author        = "Hua Yang and Douglas H. Fisher",
	booktitle     = "{Proceedings of the Sixth International Workshop on Machine Learning}",
	isbn          = "1-55860-036-1",
	pages         = "232--234",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Conceptual Clustering of Mean-Ends Plans}",
	year          = 1989,
}