@misc{indiciae3360086ecb5f,
  title = {A visual nonlinearity fed by single cones.},
  author = {D I MacLeod and D R Williams and W Makous},
  year = {1992},
  doi = {10.1016/0042-6989(92)90144-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/1574850/},
  note = {Source identifier: 1574850}
}