@misc{1162791,
  author = {Arthur J Estin},
  title = {Precision measurement and calibration ::selected NBS papers on electricity - radio frequency},
  year = {1970},
  month = {1970-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.SP.300v4},
  language = {en},
}