% pubman genre = article
@article{item_1554142,
title = {{Varieties of altruism in children and chimpanzees}},
author = {Warneken, Felix and Tomasello, Michael},
language = {eng},
doi = {10.1016/j.tics.2009.06.008},
year = {2009},
date = {2009},
journal = {{Trends in Cognitive Sciences}},
volume = {13},
number = {9},
pages = {397--402},
}