@inproceedings{VahlB{\"o}hmerOestreich2009,
  author    = {Vahl, Michael and B{\"o}hmer, Stefan and Oestreich, Thomas},
  title     = {Probability Based Risk Analysis for a VoIP System},
  booktitle = {Fifth Advanced International Conference on Telecommunications, AICT '09. Venice, 24-28 May 2009},
  isbn      = {978-1-4244-3840-2},
  doi       = {10.1109/AICT.2009.79},
  institution = {Fachbereich Informatik},
  pages     = {441 -- 446},
  year      = {2009},
  language  = {en}
}