@article{ref1,
title="The HC value: A method for estimating the flammability of mixtures of combustible gases",
journal="Fire technology",
year="1977",
author="Hilado, Carlos J. and Cumming, Heather J.",
volume="13",
number="3",
pages="195-198",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0015-2684",
doi="10.1007/BF02303414",
url="http://dx.doi.org/10.1007/BF02303414"
}