@article{ref1,
title="Multivariate Analysis of Gang Delinquency: I. Ecological Influences",
journal="Multivariate behavioral research",
year="1966",
author="Cartwright, Desmond S. and Howard, Kenneth I.",
volume="1",
number="3",
pages="321-371",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0027-3171",
doi="",
url="http://dx.doi.org/"
}