@article{ref1,
title="The origin of exogamy",
journal="Sociological review, The",
year="1912",
author="Strong, W. M.",
volume="a5",
number="4",
pages="309-330",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0038-0261",
doi="10.1111/j.1467-954X.1912.tb02306.x",
url="http://dx.doi.org/10.1111/j.1467-954X.1912.tb02306.x"
}