@inproceedings{Lukasiewicz2000,
  title = "Probabilistic Default Reasoning with Conditional Constraints",
  author = "Thomas Lukasiewicz",
  year = "2000",
  booktitle = "Proceedings of the 8th International Workshop on Non-Monotonic Reasoning, NMR 2000, Breckenridge, Colorado, USA, April 2000",
  editor = "C. Baral and M. Truszczynski",
  journal = "Linköping Electronic Articles in Computer and Information Science",
  number = "024",
  url = "http://www.kr.tuwien.ac.at/staff/lukasiew/nmr00.ps.gz",
  volume = "5",
}