@article{ref1,
title="Increased security with interdisciplinary night supervisor",
journal="Schwestern Revue",
year="1974",
author="Schierenberg, I.",
volume="12",
number="3",
pages="4-6",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0048-9549",
doi="",
url="http://dx.doi.org/"
}