@misc{indiciaee865c795d167,
  title = {On the psychometric function for contrast detection.},
  author = {J Nachmias},
  year = {1981},
  doi = {10.1016/0042-6989(81)90115-2},
  url = {https://pubmed.ncbi.nlm.nih.gov/7269298/},
  note = {Source identifier: 7269298}
}