%0 Journal Article %A Völter, Christoph %A Call, Josep %+ Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society Department of Developmental and Comparative Psychology, Max Planck Institute for Evolutionary Anthropology, Max Planck Society %T Problem solving in great apes (Pan paniscus, Pan troglodytes, Gorilla gorilla, and Pongo abelii): the effect of visual feedback : %G eng %U https://hdl.handle.net/11858/00-001M-0000-0010-0D5E-B %R 10.1007/s10071-012-0519-5 %7 2012-05-30 %D 2012 %* Review method: peer-reviewed %J Animal Cognition %O Anim. Cogn. %V 15 %N 5 %& 923 %P 923 - 936 %I Springer %C Berlin %@ 1435-9448