@article{ref1,
title="Components of the Increase in Local Police Expenditures, 1902-1960",
journal="American behavioral scientist",
year="1970",
author="Bordua, David J. and Haurek, EW",
volume="13",
number="5-6",
pages="667-680",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-7642",
doi="",
url="http://dx.doi.org/"
}