@misc{indiciaef59505457b6a,
  title = {Age differences in personality structure: a cluster analytic approach.},
  author = {P T Costa and R R McCrae},
  year = {1976},
  doi = {10.1093/geronj/31.5.564},
  url = {https://pubmed.ncbi.nlm.nih.gov/950450/},
  note = {Source identifier: 950450}
}