@misc{indiciaef64bf3d6d072,
  title = {Modeling spatial integration and contrast invariance in visual pattern discrimination.},
  author = {R E Näsänen and H T Kukkonen and J M Rovamo},
  year = {1997},
  url = {https://pubmed.ncbi.nlm.nih.gov/9008651/},
  note = {Source identifier: 9008651}
}