@misc{1153941,
  author = {George Kamas},
  title = {Time and frequency users' manual:},
  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.TN.695},
  language = {en},
}