@article{ref1,
title="Gas burning installation with automatic closure control",
journal="Gesundheits-Ingenieur",
year="1978",
author="Kiehl, P.",
volume="99",
number="10",
pages="299-300",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0016-9277",
doi="",
url="http://dx.doi.org/"
}