@misc{indiciae37bdf284667f,
  title = {Learning to learn in adulthood.},
  author = {D F Hultsch},
  year = {1974},
  doi = {10.1093/geronj/29.3.302},
  url = {https://pubmed.ncbi.nlm.nih.gov/4821845/},
  note = {Source identifier: 4821845}
}