@inproceedings{conf/lpnmr/GottlobSS99,
  title = "Fixed-Parameter Complexity in AI and Nonmonotonic Reasoning",
  author = "Georg Gottlob and Francesco Scarcello and Martha Sideri",
  year = "1999",
  booktitle = "{Logic Programming and Nonmonotonic Reasoning, 5th International Conference, LPNMR'99, El Paso, Texas, USA, December 2-4,
1999, Proceedings}",
  editor = "Michael Gelfond and Nicola Leone and Gerald Pfeifer",
  isbn = "3-540-66749-0",
  pages = "1-18",
  publisher = "Springer",
  series = "Lecture Notes in Computer Science",
  url = "http://link.springer.de/link/service/series/0558/bibs/1730/17300001.htm",
  volume = "1730",
}