@article{ref1,
title="Statistics of London Traffic",
journal="Journal of the Royal Statistical Society",
year="1904",
author="Harper, EJ",
volume="67",
number="",
pages="177-227",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0952-8385",
doi="",
url="http://dx.doi.org/"
}