@article{Brown2009,
author = {Brown, G.R. and Laland, K.N. and Mulder, M.B.},
title= {Bateman’s principles and human sex roles},
year = {2009},
doi = {10.1016/j.tree.2009.02.005},
volume = {24},
number = {6},
pages = {297--304},
}