@article{ref1,
title="Preventive Principle of Police",
journal="Journal of criminal law and criminology (1931-1951)",
year="1943",
author="Reith, C",
volume="34",
number="3",
pages="206-209",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0885-2731",
doi="",
url="http://dx.doi.org/"
}