@article{ref1,
title="Urban schooling and delinquency: toward an integrative theory",
journal="American educational research journal",
year="1972",
author="Walberg, Herbert J.",
volume="9",
number="2",
pages="285-300",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-8312",
doi="10.3102/00028312009002285",
url="http://dx.doi.org/10.3102/00028312009002285"
}