@article{ref1,
title="Sisters are doin' it for themselves: a black female gang in San Francisco",
journal="Gang journal",
year="1994",
author="Lauderback, David and Hansen, Joy and Waldorf, Dan",
volume="1",
number="1",
pages="57-72",
abstract="<p>[Abstract unavailable]  Keywords: Juvenile justice</p>",
language="en",
issn="1061-5326",
doi="",
url="http://dx.doi.org/"
}