@article{ref1,
title="Practical experiences in catastrophe prevention",
journal="Strahlenschutz in Forschung und Praxis",
year="1981",
author="Siegmund, H.",
volume="22",
number="",
pages="33-41",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0081-5888",
doi="",
url="http://dx.doi.org/"
}