% pubman genre = article
@article{item_1554346,
title = {{The trade-off between number and size of offspring in humans and other primates}},
author = {Walker, Robert S. and Gurven, Michael and Burger, Oskar and Hamilton, Marcus J.},
language = {eng},
doi = {10.1098/rspb.2007.1511},
year = {2008},
date = {2008-04-07},
journal = {{Proceedings of the Royal Society of London B}},
volume = {275},
number = {1636},
pages = {827--833},
}