@misc{1154451,
  author = {J Ralph Johler},
  title = {Amplitude and phase of the low- and very low-radiofrequency ground wave:},
  year = {1960},
  month = {1960-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.60},
  language = {en},
}