@article{Meehan2013,
author = {Meehan, C.L. and Quinlan, R. and Malcom, C.D.},
title= {Cooperative breeding and maternal energy expenditure among Aka foragers},
year = {2013},
doi = {10.1002/ajhb.22336},
journal = {American Journal of Human Biology},
volume = {25},
pages = {42--57},
}