@misc{100591,
  author = {P. Fulcomer},
  title = {Guide to Voice Privacy Equipment for Law Enforcement Communications Systems},
  year = {1993},
  month = {1993-03-01},
  publisher = {NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.5155},
  language = {en},
}