@article{ref1,
title="Accidents with cellulose digesters",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1956",
author="Knop, W.",
volume="6",
number="2",
pages="25-28",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}