@misc{indiciae2d08041aa31a,
  title = {Extraversion and volunteering for sensory isolation.},
  author = {R D Francis and D D Diespecker},
  year = {1973},
  doi = {10.2466/pms.1973.36.1.244},
  url = {https://pubmed.ncbi.nlm.nih.gov/4686717/},
  note = {Source identifier: 4686717}
}