@article{ref1,
title="Contests for a Fire Damp Indicator",
journal="Zeitschrift des Vereines Deutscher Ingenieure",
year="1923",
author="No Author(s) Listed, ",
volume="67",
number="",
pages="878-878",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0341-7255",
doi="",
url="http://dx.doi.org/"
}