@article{ref1,
title="Aggression and its causes: A biopsychosocial approach",
journal="Aggressive behavior",
year="1998",
author="Potegal, Michael",
volume="24",
number="1",
pages="73-75",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}