@misc{238301,
  author = {Carl Miller and Maria Nadal and Benjamin Tsai and Yuqin Zong},
  title = {NIST Measurement Services: Photometric Calibrations},
  year = {2018},
  month = {2018-07-10},
  publisher = {Special Publication (NIST SP), National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.250-95},
  language = {en},
}