@article{3969,
      author = {Winterbotham, F. W.},
      url = {http://library.usi.edu/record/3969},
      title = {The Ultra secret /},
      publisher = {Harper & Row,},
      recid = {3969},
      pages = {xiii, 199 p. ;},
      address = {New York :},
      year = {1974},
}