@misc{indiciae4399010614cf,
  title = {Orientation-sensitive after-effects or dichoptically presented colour and form.},
  author = {D M MacKay and V MacKay},
  year = {1973},
  doi = {10.1038/242477a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4700909/},
  note = {Source identifier: 4700909}
}