%0 Journal Article %A Melis, Alicia P. %A Warneken, Felix %A Jensen, Keith %A Schneider, Anna-Claire %A Call, Josep %A Tomasello, Michael %+ 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 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 The Leipzig School of Human Origins (IMPRS), Max Planck Institute for Evolutionary Anthropology, Max Planck Society 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 Chimpanzees help conspecifics obtain food and non-food items : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-F2FA-D %F EDOC: 572387 %R 10.1098/rspb.2010.1735 %D 2011 %J Proceedings of the Royal Society of London, Series B : Biological Sciences %V 278 %N 1710 %& 1405 %P 1405 - 1413