@article{ref1,
title="Is American violence a crime problem?",
journal="Duke law journal",
year="1996",
author="Zimring, Franklin E. and Hawkins, G.",
volume="46",
number="1",
pages="43-72",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="",
issn="0012-7086",
doi="10.2307/1372965",
url="http://dx.doi.org/10.2307/1372965"
}