@misc{indiciae573afd1dc3c8,
  title = {[Linear models of brightness perception].},
  author = {H Giger and F Fankhauser},
  year = {1969},
  doi = {10.1016/0042-6989(69)90015-7},
  url = {https://pubmed.ncbi.nlm.nih.gov/5798745/},
  note = {Source identifier: 5798745}
}