@article{ref1,
title="The reliability of combustible gas alarms",
journal="American industrial hygiene association quarterly",
year="1954",
author="Randall, R. A. and Hunstad, N. A.",
volume="15",
number="4",
pages="262-266",
abstract="Abstract unavailable.",
language="",
issn="0096-820X",
doi="",
url="http://dx.doi.org/"
}