(Q52849293)
Statements
Spontaneous symbol acquisition and communicative use by pygmy chimpanzees (Pan paniscus). (English)
Spontaneous symbol acquisition and communicative use by pygmy chimpanzees (Pan paniscus) (English)
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Savage-Rumbaugh S
McDonald K
Sevcik RA
Hopkins WD
Rubert E
1 September 1986
1986
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115
3
211-235