@article{ref1,
title="Statistical Account of the Police of the Metropolis",
journal="Journal of the Statistical Society of London",
year="1850",
author="Fletcher, Joseph",
volume="13",
number="3",
pages="221-267",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0959-5341",
doi="10.2307/2338146",
url="http://dx.doi.org/10.2307/2338146"
}