@misc{indiciaead0958e61aa9,
  title = {Interchangeable backgrounds for cone afterimages.},
  author = {D R Williams and D I MacLeod},
  year = {1979},
  doi = {10.1016/0042-6989(79)90020-8},
  url = {https://pubmed.ncbi.nlm.nih.gov/316228/},
  note = {Source identifier: 316228}
}