@misc{1158386,
  author = {R W Hubbard},
  title = {A Fixed frequency, 9.1 Gc, field intensity recording receiver with extremely narrow bandwidth:},
  year = {1961},
  month = {1961-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.107},
  language = {en},
}