@article{ref1,
title="The correlation between fertility and intelligence within social classes",
journal="Sociological review, The",
year="1939",
author="Moshinsky, Pearl",
volume="a31",
number="2",
pages="144-165",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0038-0261",
doi="10.1111/j.1467-954X.1939.tb02025.x",
url="http://dx.doi.org/10.1111/j.1467-954X.1939.tb02025.x"
}