@misc{indiciae88a050cbe5c8,
  title = {OPERANT DISCRIMINATION LEARNING IN HUMAN INFANTS.},
  author = {M W SIMMONS},
  year = {1964},
  doi = {10.1111/j.1467-8624.1964.tb05213.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/14203810/},
  note = {Source identifier: 14203810}
}