@misc{indiciae5e31eb4a6ece,
  title = {Differentiation learning by monkeys.},
  author = {G E McCLEARN},
  year = {1957},
  doi = {10.1037/h0049126},
  url = {https://pubmed.ncbi.nlm.nih.gov/13481178/},
  note = {Source identifier: 13481178}
}