@article{ref1,
title="Configuration factor for radiation in a tunnel or partial cylinder",
journal="Fire technology",
year="1993",
author="Beard, Alan N. and Drysdale, Dougal and Holborn, Paul and Bishop, Steven",
volume="29",
number="3",
pages="281-288",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0015-2684",
doi="10.1007/BF01152111",
url="http://dx.doi.org/10.1007/BF01152111"
}