% pubman genre = article
@article{item_1554484,
title = {{Do chimpanzees reciprocate received favours?}},
author = {Melis, Alicia P. and Hare, Brian and Tomasello, Michael},
language = {eng},
doi = {10.1016/j.anbehav.2008.05.014},
year = {2008},
date = {2008},
journal = {{Animal Behaviour}},
volume = {76},
number = {3},
pages = {951--962},
}