![David Premack / Sarah / Chimpanzee / Primate / Token coin / Class / Abstract object / The Mind of an Ape / Great ape language / Zoology / Cognitive science / Biology David Premack / Sarah / Chimpanzee / Primate / Token coin / Class / Abstract object / The Mind of an Ape / Great ape language / Zoology / Cognitive science / Biology](https://www.pdfsearch.io/img/a2b8dc4012af4a83e7615b03c72b733b.jpg)
| Document Date: 2010-01-12 09:19:25 Open Document File Size: 32,95 KBShare Result on Facebook
Country United Kingdom / / Facility Birkbeck College / / Organization Birkbeck College / S.F. Walker Department of Psychology / / Person Helen Keller / / Position Walker / / PublishedMedium Primates / /
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