@inproceedings{KR-1998-LangM,
	author        = "Jérôme Lang and Pierre Marquis",
	booktitle     = "{Proceedings of the Sixth International Conference on Principles of Knowledge Representation and Reasoning}",
	pages         = "356--367",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Complexity Results for Independence and Definability in Propositional Logic}",
	year          = 1998,
}