@misc{indiciae420643ddfa9d,
  title = {Nonlinear processes in visual pattern discrimination.},
  author = {H R Wilson},
  year = {1993},
  doi = {10.1073/pnas.90.21.9785},
  url = {https://pubmed.ncbi.nlm.nih.gov/8234315/},
  note = {Source identifier: 8234315}
}