@InProceedings{desctowa02a,
  author =	 "J. Delgrande and T. Schaub and H. Tompits and K. Wang",
  title =	 "Towards a Classification of Preference Handling Approaches
                  in Nonmonotonic Reasoning",
  booktitle =	 "Proceedings of the Workshop on Preferences in Artificial
                  Intelligence and Constraint Programming: Symbolic
                  Approaches",
  pages =	 "16-24",
  year =	 2002,
  editor =	 "U. Junker",
  publisher =	 "AAAI Press"
}