@article{ref1,
title="Experimental research on the problem of carbon monoxide and oxygen deficiency",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1956",
author="Wieland, H.",
volume="6",
number="4",
pages="77-81",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}