@article{ref1,
title="Smoke Density Studies with Arapahoe and NBS Chambers",
journal="Journal of fire and flammability",
year="1978",
author="Hilado, Carlos J. and Machado, AM and Murphy, RM",
volume="9",
number="4",
pages="459-466",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0022-1104",
doi="",
url="http://dx.doi.org/"
}