@article{ref1,
title="Constitutive elements of the concept of human aggression",
journal="Aggressive behavior",
year="1990",
author="Mees, U",
volume="16",
number="5",
pages="285-295",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}