@misc{indiciae53f11fcc28de,
  title = {Learning problems. IV. Discussion.},
  author = {L IRONS},
  year = {1959},
  doi = {10.1111/j.1939-0025.1959.tb00196.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/13661308/},
  note = {Source identifier: 13661308}
}