@article{ref1,
title="Expand the use of police gang units",
journal="Criminology and public policy",
year="2007",
author="Decker, Scott H.",
volume="6",
number="4",
pages="729-733",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1538-6473",
doi="10.1111/j.1745-9133.2007.00460.x",
url="http://dx.doi.org/10.1111/j.1745-9133.2007.00460.x"
}