@article{ref1,
title="On the various systems of ventilation of mines",
journal="Proceedings of the institution of mechanical engineers",
year="1869",
author="Cochrane, William",
volume="20",
number="1",
pages="133-154",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1869_020_014_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1869_020_014_02"
}