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Sign Language and Language Acquisition in ...
by Peng, Fred C. C.; Fouts, Roger S.; Rumbaugh, Duane M.
ISBN: 9780367287276
Copyright:
Hardcover
Intelligence of Apes and Other Rational ...
by Duane M. Rumbaugh and David A. Washburn
ISBN: 9780300099836
Trade Book
Primate Perspectives on Behavior and ...
by Washburn, David A.; Rumbaugh, Duane M.
ISBN: 9781591474227