@article{ref1,
title="Differential qualitative performance of delinquents on the Porteus maze",
journal="Journal of consulting psychology",
year="1957",
author="Fooks, G. and Thomas, R. R.",
volume="21",
number="4",
pages="351-353",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0095-8891",
doi="",
url="http://dx.doi.org/"
}