@misc{indiciae2b12988cb8be,
  title = {Model of psychological functioning.},
  author = {D Irving and P Proctor},
  year = {1971},
  doi = {10.1016/0022-5193(71)90222-0},
  url = {https://pubmed.ncbi.nlm.nih.gov/4399778/},
  note = {Source identifier: 4399778}
}