@article{ref1,
title="Define violence",
journal="New scientist",
year="2011",
author="Mortimer, Richard",
volume="212",
number="2836",
pages="35-35",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0262-4079",
doi="10.1016/S0262-4079(11)62656-0",
url="http://dx.doi.org/10.1016/S0262-4079(11)62656-0"
}