@article{ref1,
title="On safety measures in the construction and operation of long-distance lines for the transport of inflammable liquids",
journal="Zentralblatt fur Arbeitsmedizin und Arbeitsschutz",
year="1964",
author="Breitel, K. P.",
volume="14",
number="",
pages="109-112",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0044-4049",
doi="",
url="http://dx.doi.org/"
}