@article{ref1,
title="A Comparative Study of the Preventive Effects of Mandatory Sentencing Laws for Gun Crimes",
journal="Journal of criminal law and criminology",
year="1992",
author="McDowall, D. and Loftin, C. and Wiersema, B.",
volume="83",
number="2",
pages="378-394",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0091-4169",
doi="",
url="http://dx.doi.org/"
}