@misc{1163581,
  author = {P P Viezbicke},
  title = {NBS frequency and time broadcast services ::radio stations WWV, WWVH, WWVB, and WWVL},
  year = {1972},
  month = {1972-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.236e1972},
  language = {en},
}