@misc{indiciaeed60f010dfc9,
  title = {Conditioning in relation to conceptual thinking.},
  author = {R F Barr and N McConaghy},
  year = {1972},
  doi = {10.1192/bjp.121.3.299},
  url = {https://pubmed.ncbi.nlm.nih.gov/4672512/},
  note = {Source identifier: 4672512}
}