@inproceedings{DBLP:conf/kr/EiterL00, title = "Complexity Results for Default Reasoning from Conditional Knowledge Bases", author = "Thomas Eiter and Thomas Lukasiewicz", year = "2000", booktitle = "Proceedings of the 7th International Conference on the Principles of Knowledge Representation and Reasoning, KR 2000, Breckenridge, Colorado, USA, April 11-15, 2000", editor = "Anthony G. Cohn and Fausto Giunchiglia and Bart Selman", pages = "62-73", publisher = "Morgan Kaufmann", url = "http://www.kr.tuwien.ac.at/staff/lukasiew/kr00.ps.gz", }