@misc{1165301,
  author = {A C Wall and C A Douglas},
  title = {An investigation of beam-spreading techniques for semiflush-prismatic type airport-marker lights:},
  year = {1964},
  month = {1964-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.8169},
  language = {en},
}