@article{ref1,
title="Casework with defective delinquents",
journal="American journal of mental deficiency",
year="1956",
author="Williams, Richard",
volume="61",
number="2",
pages="413-418",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9351",
doi="",
url="http://dx.doi.org/"
}