@inproceedings{KR-2002-Kern-Isberner,
	author        = "Gabriele Kern-Isberner",
	booktitle     = "{Proceedings of the Eighth International Conference on Principles of Knowledge Representation and Reasoning}",
	isbn          = "1-55860-554-1",
	pages         = "147--157",
	publisher     = "{Morgan Kaufmann}",
	title         = "{A Structural Approach to Default Reasoning}",
	year          = 2002,
}