@article{ref1,
title="Motivation and frustration in delinquency",
journal="American journal of orthopsychiatry",
year="1957",
author="Jenkins, R. L.",
volume="27",
number="3",
pages="528-537",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9432",
doi="",
url="http://dx.doi.org/"
}