TY  - RPRT
TI  - Symbolization, language, and chimpanzees: a theoretical reevaluation based on initial language acquisition processes in four young Pan troglodytes.
AU  - E S Savage-Rumbaugh
AU  - D M Rumbaugh
PY  - 1978
DO  - 10.1016/0093-934x(78)90063-9
UR  - https://pubmed.ncbi.nlm.nih.gov/737530/
ID  - 737530
ER  -