@article{ref1,
title="Street gangs: Utilizing their roll calls for investigative and research purposes",
journal="Journal of gang research",
year="2003",
author="Davis, Ken",
volume="10",
number="3",
pages="25-36",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="Article",
url="http://dx.doi.org/Article"
}