@article{ref1,
title="Time out from reinforcement: a technique for dethroning the "duke" of an institutionalized delinquent group",
journal="Journal of child psychology and psychiatry",
year="1968",
author="Brown, G. D. and Tyler, V. O. Jr",
volume="9",
number="3",
pages="203-211",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0021-9630",
doi="",
url="http://dx.doi.org/"
}