@misc{indiciae008350b1ec3b,
  title = {Pigeon pattern perception: limits on perspective invariance.},
  author = {J Cerella},
  year = {1990},
  doi = {10.1068/p190141},
  url = {https://pubmed.ncbi.nlm.nih.gov/2235283/},
  note = {Source identifier: 2235283}
}