@article{ref1,
title="Incidence of accidents in the GDR",
journal="Zeitschrift fur Arztliche Fortbildung (Jena)",
year="1980",
author="Casper, W. and Giersdorf, P.",
volume="74",
number="9",
pages="448-454",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-2178",
doi="",
url="http://dx.doi.org/"
}