@misc{1190936,
  author = {H N Cones},
  title = {Interim report on experimental broad-band antennas for vertical incidence ionosphere sounding:},
  year = {1948},
  month = {1948-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CRPL.5-3},
  language = {en},
}