@article{ref1,
title="Violent mentally disturbed criminals in Western Germany. An epidemiological study",
journal="Nervenarzt",
year="1972",
author="Hafner, H. and Böker, W.",
volume="43",
number="6",
pages="285-291",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0028-2804",
doi="",
url="http://dx.doi.org/"
}