@misc{indiciae11b3e7699f4b,
  title = {Correspondence therapy.},
  author = {G M Burnell and K P Motelet},
  year = {1973},
  doi = {10.1001/archpsyc.1973.01750350096017},
  url = {https://pubmed.ncbi.nlm.nih.gov/4700686/},
  note = {Source identifier: 4700686}
}