@article{ref1,
title="Overcoming problems associated with gang research: A standardized and systemic methodology",
journal="Journal of gang research",
year="2000",
author="Yearwood, Douglas L. and Hayes, Richard",
volume="7",
number="4",
pages="1-36",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="Article",
url="http://dx.doi.org/Article"
}