@article{ref1,
title="Personal violence (suicide and homicide) on Friday the 13th",
journal="Psychological reports",
year="1988",
author="Lester, David",
volume="62",
number="2",
pages="433-433",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}