@article{ref1,
title="Facts Bearing on the Progress of the Railway System",
journal="Journal of the Statistical Society of London",
year="1848",
author="Harding, Wyndham",
volume="11",
number="4",
pages="322-343",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-5341",
doi="10.2307/2338045",
url="http://dx.doi.org/10.2307/2338045"
}