@misc{1154396,
  author = {W F Hamilton and J L Jespersen},
  title = {Application of VLF theory to time dissemination:},
  year = {1971},
  month = {1971-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.TN.610},
  language = {en},
}