@article{ref1,
title="Third generation gang studies: An introduction",
journal="Journal of gang research",
year="2007",
author="Sullivan, J. P. and Bunker, R. J.",
volume="14",
number="4",
pages="1-10",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="",
url="http://dx.doi.org/"
}