@article{ref1,
title="Risk factors associated with gang joining among youth",
journal="Journal of gang research",
year="1999",
author="Stone, Sandra S.",
volume="6",
number="2",
pages="1-18",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="Article",
url="http://dx.doi.org/Article"
}