@misc{indiciae723cb11da77c,
  title = {Drives and knowledge. A speculation.},
  author = {L Friedman},
  year = {1968},
  doi = {10.1177/000306516801600104},
  url = {https://pubmed.ncbi.nlm.nih.gov/5645541/},
  note = {Source identifier: 5645541}
}