@misc{1165151,
  author = {G P Gillum},
  title = {Approximations of the effective intensity PAR-type lamps mounted on a rotating turntable:},
  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.8392},
  language = {en},
}