@article{ref1,
title="The concept of risk and its evaluation principle",
journal="Strahlenschutz in Forschung und Praxis",
year="1976",
author="Brückner, R.",
volume="16",
number="",
pages="55-64",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0081-5888",
doi="",
url="http://dx.doi.org/"
}