@inproceedings{VahlBoehmerOestreich2009,
  author    = {Michael Vahl and Stefan B{\"o}hmer and Thomas Oestreich},
  title     = {Probability Based Risk Analysis for a VoIP System},
  series = {Fifth Advanced International Conference on Telecommunications, AICT '09. Venice, 24-28 May 2009},
  publisher = {IEEE},
  isbn      = {978-1-4244-3840-2},
  doi       = {10.1109/AICT.2009.79},
  pages     = {441 -- 446},
  year      = {2009},
  language  = {en}
}