@article{ref1,
title="Rosenzweig picture-frustration study results with minority group juvenile delinquents",
journal="Journal of genetic psychology",
year="1958",
author="Norman, R. D. and Kleinfeld, G. J.",
volume="92",
number="1",
pages="61-67",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-1325",
doi="",
url="http://dx.doi.org/"
}