@misc{indiciae114e203b2cec,
  title = {Sensitivity transformation for vertebrate vision.},
  author = {R L Chappell and K Naka},
  year = {1991},
  doi = {10.1017/s0952523800006593},
  url = {https://pubmed.ncbi.nlm.nih.gov/2059570/},
  note = {Source identifier: 2059570}
}