@inproceedings{ML-1991-CrawS,
	author        = "Susan Craw and Derek H. Sleeman",
	booktitle     = "{Proceedings of the Eighth International Workshop on Machine Learning}",
	isbn          = "1-55860-200-3",
	pages         = "28--32",
	publisher     = "{Morgan Kaufmann}",
	title         = "{The Flexibility of Speculative Refinement}",
	year          = 1991,
}