@misc{indiciae8750f1f7afdc,
  title = {Chromatic constraints upon Panum's limits.},
  author = {W Richards},
  year = {1971},
  doi = {10.1097/00006324-197104000-00003},
  url = {https://pubmed.ncbi.nlm.nih.gov/5279849/},
  note = {Source identifier: 5279849}
}