@article{ref1,
title="Paris and London in the nineteenth century",
journal="Journal of urban history",
year="2001",
author="Wakeman, R.",
volume="27",
number="2",
pages="200-205",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-1442",
doi="",
url="http://dx.doi.org/"
}