@misc{indiciaef63b7cb113aa,
  title = {Contrast in night vision.},
  author = {A Fiorentini and L Maffei},
  year = {1973},
  doi = {10.1016/0042-6989(73)90165-x},
  url = {https://pubmed.ncbi.nlm.nih.gov/4681992/},
  note = {Source identifier: 4681992}
}