%0 Journal Article %A Greenberg, Julia R. %A Hamann, Katharina %A Warneken, Felix %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 %T Chimpanzee helping in collaborative and noncollaborative contexts : %G eng %U https://hdl.handle.net/11858/00-001M-0000-000F-F60F-1 %F EDOC: 499465 %R 10.1016/j.anbehav.2010.08.008 %D 2010 %J Animal Behaviour %V 80 %N 5 %& 873 %P 873 - 880