@misc{1172376,
  author = {Robert W Beatty},
  title = {Microwave attenuation measurements and standards:},
  year = {1967},
  month = {1967-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.MONO.97},
  language = {en},
}