@misc{indiciae1bb440ddce49,
  title = {Proximity factor in color-difference evaluations.},
  author = {L T Sharpe and G Wyszecki},
  year = {1976},
  doi = {10.1364/josa.66.000040},
  url = {https://pubmed.ncbi.nlm.nih.gov/1245895/},
  note = {Source identifier: 1245895}
}