@misc{indiciae336f2fbc9890,
  title = {Discrimination of concentric-ring patterns by monkeys.},
  author = {A J RIOPELLE and R A WUNDERLICH and E W FRANCISCO},
  year = {1958},
  doi = {10.1037/h0046076},
  url = {https://pubmed.ncbi.nlm.nih.gov/13587697/},
  note = {Source identifier: 13587697}
}