@article{ref1,
title="On the mechanical ventilation of the Liverpool Passenger Tunnel on the London and North Western Railway",
journal="Proceedings of the institution of mechanical engineers",
year="1871",
author="Ramsbottom, John",
volume="22",
number="1",
pages="22-34",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1871_022_007_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1871_022_007_02"
}