@misc{indiciaed0e086db99da,
  title = {Regional variations in sensitivity to flicker.},
  author = {R S Creed},
  year = {1932},
  doi = {10.1113/jphysiol.1932.sp002858},
  url = {https://pubmed.ncbi.nlm.nih.gov/16994288/},
  note = {Source identifier: 16994288}
}