@misc{indiciae8f0a9dd927e8,
  title = {The "silent substitution" method in visual research.},
  author = {O Estévez and H Spekreijse},
  year = {1982},
  doi = {10.1016/0042-6989(82)90104-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/7112962/},
  note = {Source identifier: 7112962}
}