@misc{indiciaeb7fc7dfe8588,
  title = {Visual contour masking.},
  author = {N J Wade and A J Sanford},
  year = {1971},
  doi = {10.1038/231124a0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4930094/},
  note = {Source identifier: 4930094}
}