@inproceedings{KR-2000-EiterL,
	author        = "Thomas Eiter and Thomas Lukasiewicz",
	booktitle     = "{Proceedings of the Seventh International Conference on Principles of Knowledge Representation and Reasoning}",
	pages         = "62--73",
	publisher     = "{Morgan Kaufmann}",
	title         = "{Complexity Results for Default Reasoning from Conditional Knowledge Bases}",
	year          = 2000,
}