@TechReport{TonesD13,
  author =       {F. Baader and R. Bernardi and D. Calvanese and A. Cal{\`\i} and B. Cuenca Grau and M. Garcia and
  G. De Giacomo and A. Kaplunova and O. Kutz and D. Lembo and M. Lenzerini and L. Lubyte and C. Lutz and M. Milicic and R. M{\"o}ller 
  and B. Parsia and R. Rosati and U. Sattler and B. Sertkaya and S. Tessaris and C. Thorne and A.-Y. Turhan},
  title =        {{D13: Techniques for Ontology Design and Maintenance}},
  institution =  {TONES},
  year =         2007,
  type           = {Project Deliverable},
  note	= {http://www.tonesproject.org}
}