@article{ref1,
title="Police",
journal="Public relations review",
year="1975",
author="",
volume="1",
number="4",
pages="135-138",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0363-8111",
doi="10.1016/S0363-8111(76)80123-3",
url="http://dx.doi.org/10.1016/S0363-8111(76)80123-3"
}