@article{Lawson2012,
author = {Lawson, D.W. and Alvergne, A. and Gibson, M.A. },
title= {The life-history trade-off between fertility and child survival},
year = {2012},
doi = {10.1098/rspb.2012.1635},
journal = {Proceedings of the Royal Society B: Biological Sciences },
volume = {279},
number = {4342–4351},
}