@article{ref1,
title="Perspectives in accident prevention propaganda",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1971",
author="Schommer, H. D.",
volume="21",
number="7",
pages="218-225",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}