@misc{indiciae7426e622fea5,
  title = {Intelligence differences and conceptual judgement.},
  author = {N O'Connor and B Hermelin},
  year = {1979},
  doi = {10.1007/bf00309426},
  url = {https://pubmed.ncbi.nlm.nih.gov/538210/},
  note = {Source identifier: 538210}
}