@article{ref1,
title="A regional gang incident tracking system",
journal="Journal of gang research",
year="1997",
author="Vila, Bryan and Meeker, James W.",
volume="4",
number="3",
pages="23-26",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="",
url="http://dx.doi.org/"
}