@misc{103076,
  author = {Charles Dinkel},
  title = {Secure Data Network Systems (SDNS) Access Control Documents},
  year = {1990},
  month = {1990-02-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  language = {en},
}