@article{ref1,
title="Optimal safety should determine equipment installation",
journal="Zentralblatt fur Arbeitsmedizin, Arbeitsschutz und Prophylaxe",
year="1977",
author="Sterling, W. K.",
volume="27",
number="4",
pages="93-93",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0340-7047",
doi="",
url="http://dx.doi.org/"
}