@misc{indiciaee3f6405a31a9,
  title = {People in groups.},
  author = {C E Welch},
  year = {1970},
  doi = {10.1016/s0001-2092(07)60690-5},
  url = {https://pubmed.ncbi.nlm.nih.gov/5203404/},
  note = {Source identifier: 5203404}
}