@misc{1168146,
  author = {F C Breckenridge},
  title = {Comparative table chromaticity requirements of U.S. and international specifications and standards for aviation signal light colors:},
  year = {1956},
  month = {1956-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.4456},
  language = {en},
}