@article{ref1,
title="Understanding Gang Theories: Social Process Theories, Part One",
journal="Journal of gang research",
year="2008",
author="Hesse, Mario L.",
volume="15",
number="4",
pages="1-14",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="",
url="http://dx.doi.org/"
}