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Animal Cognition|April 14, 2006
How great apes perform on a modified trap-tube taskNicholas J Mulcahy, Josep CallJournal of Comparative Psychology (Washington, D.C. : 1983)|August 19, 2009
The performance of bonobos (Pan paniscus), chimpanzees (Pan troglodytes), and orangutans (Pongo pygmaeus) in two versions of an object-choice taskNicholas J Mulcahy, Josep CallJournal of Comparative Psychology (Washington, D.C. : 1983)|March 3, 2005
Gorillas (Gorilla gorilla) and orangutans (Pongo pygmaeus) encode relevant problem features in a tool-using taskNicholas J Mulcahy, Josep Call, Robin I M DunbarJournal of Comparative Psychology (Washington, D.C. : 1983)|July 15, 2004
Inferences about the location of food in the great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo pygmaeus)Josep CallThe Behavioral and Brain Sciences|February 5, 2008
On linking comparative metacognition and theory of mindJosep CallPrimates; Journal of Primatology|August 26, 2003
Spatial rotations and transpositions in orangutans ( Pongo pygmaeus) and chimpanzees ( Pan troglodytes)Josep CallProgress in Brain Research|October 9, 2007
Past and present challenges in theory of mind research in nonhuman primatesJosep CallCognition|October 10, 2006
Apes know that hidden objects can affect the orientation of other objectsJosep CallPageof 31