@misc{1161136,
  author = {William A Shand and Marshall J Treado},
  title = {Police Communications equipment survey of 1976:},
  year = {1977},
  month = {1977-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.480-13},
  language = {en},
}