TY  - RPRT
TI  - Aged appearance and behavior: an evolutionary and ethological perspective.
AU  - G D Jensen
AU  - F B Oakley
PY  - 1980
DO  - 10.1093/geront/20.5_part_1.595
UR  - https://pubmed.ncbi.nlm.nih.gov/7439736/
ID  - 7439736
ER  -