@InProceedings{angejasc06a,
  author =	 "C. Anger and M. Gebser and T. Janhunen and T. Schaub",
  title =	 "What's a head without a body?",
  pages =	 "769-770",
  crossref =	 "ecai06"
}
@Proceedings{ecai06,
  title =	 "Proceedings of the European Conference on Artificial Intelligence (ECAI'06)",
  booktitle =	 "Proceedings of the European Conference on Artificial Intelligence (ECAI'06)",
  editor =	 "G. Brewka and S. Coradeschi and A. Perini and P. Traverso",
  publisher =	 "IOS Press",
  year =	 2006
}