% pubman genre = article
@article{item_1552725,
title = {{Chimpanzee helping in collaborative and noncollaborative contexts}},
author = {Greenberg, Julia R. and Hamann, Katharina and Warneken, Felix and Tomasello, Michael},
language = {eng},
doi = {10.1016/j.anbehav.2010.08.008},
year = {2010},
date = {2010},
journal = {{Animal Behaviour}},
volume = {80},
number = {5},
pages = {873--880},
}