@inproceedings{ML-1991-Cain,
	author        = "Timothy Cain",
	booktitle     = "{Proceedings of the Eighth International Workshop on Machine Learning}",
	isbn          = "1-55860-200-3",
	pages         = "485--489",
	publisher     = "{Morgan Kaufmann}",
	title         = "{The DUCTOR: A Theory Revision System for Propositional Domains}",
	year          = 1991,
}