@misc{1167256,
  author = {James E Davis},
  title = {Report of a survey of visual landing aids:},
  year = {1958},
  month = {1958-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.5893},
  language = {en},
}