@article{703270,
      author = {Sinkov, Abraham, and Feil, Todd,},
      url = {http://library.usi.edu/record/703270},
      title = {Elementary cryptanalysis a mathematical approach /  [electronic resource] :},
      publisher = {Mathematical Association of America ;},
      recid = {703270},
      pages = {xiv, 212 p. :},
      address = {[Washington, D.C.] :},
      year = {2009},
}