@inproceedings{DBLP:conf/semweb/BoellaLD03,
  author    = {Guido Boella and
               Leonardo Lesmo and
               Rossana Damiano},
  title     = {On the Ontological Status of Norms},
  booktitle = {Law and the Semantic Web},
  year      = {2003},
  pages     = {125-141},
  ee        = {http://dx.doi.org/10.1007/978-3-540-32253-5_8},
  crossref  = {DBLP:conf/semweb/2003law},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}

@proceedings{DBLP:conf/semweb/2003law,
  editor    = {V. Richard Benjamins and
               Pompeu Casanovas and
               Joost Breuker and
               Aldo Gangemi},
  title     = {Law and the Semantic Web: Legal Ontologies, Methodologies,
               Legal Information Retrieval, and Applications [outcome of
               the Workshop on Legal Ontologies and Web-Based Legal Information
               Management, June 28, 2003, Edinburgh, UK {\&} International
               Seminar on Law and the Semantic Web, November 20-21, 2003,
               Barcelona, Spain]},
  booktitle = {Law and the Semantic Web},
  volume    = {3369},
  year      = {2005},
  isbn      = {3-540-25063-8},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}