@misc{indiciaeb6af40328ad1,
  title = {Color differences scaled by chromatic modulation sensitivity functions.},
  author = {T W Butler and L A Riggs},
  year = {1978},
  doi = {10.1016/0042-6989(78)90234-1},
  url = {https://pubmed.ncbi.nlm.nih.gov/726285/},
  note = {Source identifier: 726285}
}