@article{ref1,
title="On the cost of working different descriptions of railway traffic",
journal="Proceedings of the institution of mechanical engineers",
year="1878",
author="Conder, Francis R.",
volume="29",
number="1",
pages="184-216",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1878_029_012_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1878_029_012_02"
}