@misc{1192021,
  author = {Raymond Earl Carlson},
  title = {Circular of the Bureau of Standards no. 276::motor-vehicle headlighting},
  year = {1925},
  month = {1925-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.CIRC.276},
  language = {en},
}