@inproceedings{FernandezEndrissTbilisi2003,
  author =        {Raquel Fern\'andez and Ulle Endriss},
  title =         {Towards a Hierarchy of Abstract Models for Dialogue Protocols},
  editor =        {R.~Asatiani and K.~Balogh and G.~Chikoidze and P.~Dekker and D.~de Jongh},
  booktitle =     {Proceedings of the 5th International Tbilisi Symposium on Language, Logic and Computation},
  pages =         {75--82},
  publisher =     {ILLC, University of Amsterdam},
  month =         {October},
  year =          {2003},
  note =          {A short version is available at http://www.illc.uva.nl/$\sim$ulle/pubs/files/FernandezEndrissTbilisi2003short.pdf}
}