@misc{indiciae42902a45ddd5,
  title = {Do chimpanzees recognize photographs as representations of objects?},
  author = {E Winner and G Ettlinger},
  year = {1979},
  doi = {10.1016/0028-3932(79)90087-3},
  url = {https://pubmed.ncbi.nlm.nih.gov/514478/},
  note = {Source identifier: 514478}
}