% pubman genre = article
@article{item_1555118,
title = {{Altruistic helping in human infants and young chimpanzees}},
author = {Warneken, Felix and Tomasello, Michael},
language = {eng},
doi = {10.1126/science.1121448},
year = {2006},
date = {2006},
journal = {{Science}},
volume = {311},
pages = {1301--1303},
}