@misc{indiciae6839e2bf0585,
  title = {Subject differences in luminosity using absolute threshold and CFF techniques.},
  author = {W E COLLINS},
  year = {1962},
  doi = {10.1080/00221309.1962.9920495},
  url = {https://pubmed.ncbi.nlm.nih.gov/13880620/},
  note = {Source identifier: 13880620}
}