@article{393441,
      recid = {393441},
      author = {Tiller, James S.},
      title = {A technical guide to IPSec virtual private networks  [electronic resource] /},
      publisher = {CRC Press,},
      address = {Boca Raton, FL :},
      pages = {xxv, 345 p. :},
      year = {2001},
      url = {http://library.usi.edu/record/393441},
}