Threats and Countermeasures in GSM Networks

@article{bocan2006threats,
  author    = {Bocan, Valer and Crețu, Vladimir},
  title     = {Threats and Countermeasures in GSM Networks},
  journal   = {Journal of Networks},
  year      = {2006},
  volume    = {1},
  number    = {6},
  pages     = {18--27},
  publisher = {Academy Publishers},
  issn      = {1796-2056}
}