@article{ref1,
title="African American adolescent males' perceptions of their community resources and constraints: A longitudinal analysis",
journal="Journal of community psychology",
year="1999",
author="Cunningham, Matthew",
volume="27",
number="5",
pages="569-588",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0090-4392",
doi="",
url="http://dx.doi.org/"
}