@article{ref1,
title="Extraversion in police officers",
journal="Psychological reports",
year="1976",
author="Lester, David",
volume="39",
number="2",
pages="578-578",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}