@proceedings{backes06proceedings,
  author       = {Backes, Michael and Gritzalis, Stefanos and Preneel, Bart and Katsikas, Sokratis K. and Lopez, Javier},
  title        = {Proceedings of 9th International Conference on Information Security (ISC), Samos Island, Greece},
  series       = {Lecture Notes in Computer Science},
  volume       = {4176},
  month        = {August},
  year         = {2006},
  publisher    = {Springer}
}