@misc{indiciaefc846782de06,
  title = {Reconstructing GSA's history.},
  author = {W A Achenbaum},
  year = {1987},
  doi = {10.1093/geront/27.1.21},
  url = {https://pubmed.ncbi.nlm.nih.gov/3557142/},
  note = {Source identifier: 3557142}
}