@misc{indiciae7ef7555f6829,
  title = {The beginning group.},
  author = {H Copeland},
  year = {1980},
  doi = {10.1080/00207284.1980.11491681},
  url = {https://pubmed.ncbi.nlm.nih.gov/7390678/},
  note = {Source identifier: 7390678}
}