@article{ref1,
title="Suicide among convicts",
journal="Psychiatrische Praxis",
year="1977",
author="Biener, K.",
volume="4",
number="3",
pages="171-175",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0303-4259",
doi="",
url="http://dx.doi.org/"
}