@article{ref1,
title="Catastrophe protection and civil defense in public health",
journal="Offentliche Gesundheitswesen",
year="1981",
author="Femmer, H. J. and Mais, H.",
volume="43",
number="12",
pages="632-646",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0029-8573",
doi="",
url="http://dx.doi.org/"
}