@misc{indiciae0723d237c7db,
  title = {Analysis of cognitive ability.},
  author = {P E Vernon},
  year = {1971},
  doi = {10.1093/oxfordjournals.bmb.a070857},
  url = {https://pubmed.ncbi.nlm.nih.gov/4937265/},
  note = {Source identifier: 4937265}
}