@article{ref1,
title="Railway viaducts in Cornwall, old and new",
journal="Proceedings of the institution of mechanical engineers",
year="1899",
author="Gibbons, T. H.",
volume="57",
number="1",
pages="355-364",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1899_057_009_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1899_057_009_02"
}