@article{ref1,
title="Security depends upon the tires. Sources of danger and accident prevention in handling pneumatic tires",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1971",
author="Ehses, G.",
volume="21",
number="11",
pages="329-335",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}