%0 Journal Article %A Call, Josep %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Apes know that hidden objects can affect the orientation of other objects : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-FE53-0 %F EDOC: 321212 %R doi:10.1016/j.cognition.2006.08.004 %D 2007 %J Cognition %V 105 %N 1 %& 1 %P 1 - 25