@article{ref1,
title="On special mechanical appliances for meeting the requirements of certain classes of mine accidents",
journal="Proceedings of the institution of mechanical engineers",
year="1877",
author="Hawksley, Charles and Marten, Edward B.",
volume="28",
number="1",
pages="314-348",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1877_028_024_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1877_028_024_02"
}