@article{ref1,
title="Natural vicissitudes and the social organism",
journal="Sociological review, The",
year="1909",
author="Roberts, Ernest",
volume="a2",
number="4",
pages="375-395",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0038-0261",
doi="10.1111/j.1467-954X.1909.tb01974.x",
url="http://dx.doi.org/10.1111/j.1467-954X.1909.tb01974.x"
}