@article{Leslie1989,
author = {Leslie, P. W. and Fry, P. H.},
title= {Extreme seasonality of births among nomadic Turkana pastoralists.},
year = {1989},
URL = {10.1002/ajpa.1330790111},
journal = {Am J Phys Anthropol},
volume = {79},
number = {1},
pages = {103--115},
}