@article{ref1,
title="Road traffic calculations",
journal="Journal of the ICE",
year="1941",
author="Clayton, Arthur John Hamblin",
volume="16",
number="7",
pages="247-264",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0368-2455",
doi="10.1680/ijoti.1941.13660",
url="http://dx.doi.org/10.1680/ijoti.1941.13660"
}