@article{ref1,
title="Pre-adolescent gangs:  a socio-psychological interpretation",
journal="Journal of genetic psychology",
year="1955",
author="Crane, A. R.",
volume="86",
number="2",
pages="275-279",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}