@misc{indiciaead59e50e7819,
  title = {Aged appearance and behavior: an evolutionary and ethological perspective.},
  author = {G D Jensen and F B Oakley},
  year = {1980},
  doi = {10.1093/geront/20.5\_part\_1.595},
  url = {https://pubmed.ncbi.nlm.nih.gov/7439736/},
  note = {Source identifier: 7439736}
}