@article{319188,
      author = {Kahn, David,},
      url = {http://library.usi.edu/record/319188},
      title = {The codebreakers : the story of secret writing /},
      publisher = {Scribner,},
      recid = {319188},
      pages = {xviii, 1181 p. :},
      address = {New York :},
      year = {1996},
}