@misc{indiciaecb47af13bbea,
  title = {Training the visual accommodation system.},
  author = {T N Cornsweet and H D Crane},
  year = {1973},
  doi = {10.1016/0042-6989(73)90034-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/4693413/},
  note = {Source identifier: 4693413}
}