@article{ref1,
title="The evolution of gang formation: Potentially delinquent activity and gang involvement",
journal="Journal of gang research",
year="1995",
author="Walker, Jeffrey T. and White, Bill and White, E. Ashley",
volume="2",
number="2",
pages="39-50",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="1079-3062",
doi="",
url="http://dx.doi.org/"
}