@misc{155436,
  author = {E Roback},
  title = {SRI International Improving the Security of Your UNIX System},
  year = {1990},
  month = {1990-11-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}