@misc{1190861,
  author = {B R Husten and Harold Lyons},
  title = {Microwave frequency measurements and standards:},
  year = {1948},
  month = {1948-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CRPL.9-7},
  language = {en},
}