@misc{indiciae003029687899,
  title = {Learning as a developmental task.},
  author = {M Giffin},
  year = {1973},
  doi = {10.1016/s0031-3955(16)32881-4},
  url = {https://pubmed.ncbi.nlm.nih.gov/4723626/},
  note = {Source identifier: 4723626}
}