@article{ref1,
title="“Weapon choice and American political violence”",
journal="Criminology and public policy",
year="2009",
author="Greene, Jack R.",
volume="8",
number="3",
pages="647-654",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1538-6473",
doi="10.1111/j.1745-9133.2009.00581.x",
url="http://dx.doi.org/10.1111/j.1745-9133.2009.00581.x"
}