@inproceedings{JMM11,
  author = {Wojciech Jamroga and Sjouke Mauw and Matthijs Melissen},
  title = {Fairness in Non-Repudiation Protocols},
  booktitle = {Proceedings of the 7th International Workshop on Security and Trust Management},
  publisher = {Springer},
  series = {LNCS},
  editor = {C. Meadows and C. Fernandez-Gago},
  month = {June 27-28},
  year = {2012},
  note = {To appear},
  url  = {"http://www.matthijsmelissen.nl/site/publications/fairness.pdf"}
}