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Citations
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Gillan DJ, Premack D, & Woodruff G. (1981). Reasoning in the chimpanzee: I. Analogical reasoning. J. Exp. Psychol.: Anim. Behav. Process., 7, 1.
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Premack D, & Premack AJ. (1994). Levels of causal understanding in chimpanzees and children. Cognition, 50, 347.
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Premack D, & Woodruff G. (1978). Does the chimpanzee have a theory of mind? Behav. Brain Sci., 1, 515.
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Premack D, & Woodruff G. (1978). Chimpanzee problem-solving: a test for comprehension. Science, 202(3), 532.
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