@misc{indiciae58e774cffa47,
  title = {Proximity factor in the Judd color difference formula.},
  author = {A C TRAUB and I BALINKIN},
  year = {1961},
  doi = {10.1364/josa.51.000755},
  url = {https://pubmed.ncbi.nlm.nih.gov/13777902/},
  note = {Source identifier: 13777902}
}