@article{ref1,
title="Prevention of accidents as a merchandise on sale; review of the advertising columns of an American magazine on accident prevention",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1957",
author="Heumann, E.",
volume="7",
number="10",
pages="249-251",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}