TY  - RPRT
TI  - Object sorting by chimpanzees and monkeys.
AU  - H S Garcha
AU  - G Ettlinger
PY  - 1979
DO  - 10.1016/s0010-9452(79)80026-x
UR  - https://pubmed.ncbi.nlm.nih.gov/113172/
ID  - 113172
ER  -