@misc{indiciaeeee70548dedb,
  title = {Formal operations in reactive and process schizophrenics.},
  author = {R R Kilburg and A W Siegel},
  year = {1973},
  doi = {10.1037/h0034524},
  url = {https://pubmed.ncbi.nlm.nih.gov/4708108/},
  note = {Source identifier: 4708108}
}