@article{ref1,
title="Hydrogen sulfide as a fatal hazard in tanneries",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1962",
author="Knop, W. and Schuermann, D.",
volume="12",
number="",
pages="242-245",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}