@article{ref1,
title="Classification of persons professionally exposed to radiation into categories for the determination of the degree of protection",
journal="Zentralbl Arbeitsmed Arbeitsschutz Prophyl Ergonomie",
year="1980",
author="Formanek, H. and Leifer, W.",
volume="30",
number="12",
pages="477-481",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="",
doi="",
url="http://dx.doi.org/"
}