@misc{indiciae0ecb67a7b5e9,
  title = {Chequerboard pattern reversal using a modified television display to measure visual evoked responses.},
  author = {F Johnson and M Hayward and S Walsh},
  year = {1976},
  url = {https://pubmed.ncbi.nlm.nih.gov/1247640/},
  note = {Source identifier: 1247640}
}