@article{ref1,
title="Acetylene, oxygen and calcium carbide; production, use, and accident prevention and control",
journal="Gesundheit",
year="1952",
author="Keel, C. G.",
volume="32",
number="3",
pages="137-158",
abstract="<p>[Abstract unavailable]</p> <p>Language: un</p>",
language="un",
issn="",
doi="",
url="http://dx.doi.org/"
}