@misc{1152361,
  author = {E J Dutton},
  title = {Techniques for computing refraction of radio waves in the troposphere:},
  year = {1962},
  month = {1962-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.97r},
  language = {en},
}