@misc{indiciaed186587a9a0b,
  title = {Group activities for the O. T.},
  author = {R SOMMER},
  year = {1959},
  doi = {10.1177/000841745902600204},
  url = {https://pubmed.ncbi.nlm.nih.gov/13662906/},
  note = {Source identifier: 13662906}
}