@article{ref1,
title="Some Social Economic Problems",
journal="American journal of sociology",
year="1896",
author="Graffenried, C",
volume="2",
number="2",
pages="190-201",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/210601",
url="http://dx.doi.org/10.1086/210601"
}