@article{Sparks2013,
author = {Sparks, C.S. and Wood, J.W. and Johnson, P.L. },
title= {Infant mortality and intra-household competition in the northern islands of Orkney, Scotland, 1855-2001},
year = {2013},
doi = {10.1002/ajpa.22264},
journal = {American Journal of Physical Anthropology },
volume = {151},
number = {2},
pages = {191--201},
}