Spider Monkeys (Ateles geoffroyi) and Capuchin Monkeys (Cebus apella) Follow Gaze Around Barriers: Evidence for Perspective Taking?
Amici, Federica ; Aureli, Filippo ; Visalberghi, Elisabetta ; Call, Josep Burghardt, Gordon M
Journal of comparative psychology (1983), 2009-11, Vol.123 (4), p.368-374 [Periódico revisado por pares]United States: American Psychological Association
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