@article{ref1,
title="The ionization chamber as smoke dependent resistance",
journal="Fire technology",
year="1977",
author="Scheidweiler, A.",
volume="13",
number="1",
pages="68-68",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0015-2684",
doi="10.1007/BF02338888",
url="http://dx.doi.org/10.1007/BF02338888"
}