@misc{indiciaed8d0a60c4459,
  title = {Summer 1974.},
  author = {C D Ryff},
  year = {1975},
  doi = {10.1159/000271490},
  url = {https://pubmed.ncbi.nlm.nih.gov/1213692/},
  note = {Source identifier: 1213692}
}