@article{ref1,
title="Cities of empire",
journal="Journal of urban history",
year="2001",
author="Hall, C.",
volume="27",
number="2",
pages="193-199",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0096-1442",
doi="",
url="http://dx.doi.org/"
}