@article{ref1,
title="Dynamics in compulsory accident insurance",
journal="Zeitschrift fur Unfallmedizin und Berufskrankheiten",
year="1964",
author="Lang, F.",
volume="57",
number="",
pages="30-45",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-3603",
doi="",
url="http://dx.doi.org/"
}