@misc{1164606,
  author = {A C Wall},
  title = {Photometric characteristics of U.S. airport lights:},
  year = {1967},
  month = {1967-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.9350},
  language = {en},
}