@article{ref1,
title="Evolution of destructive aggression",
journal="Aggressive behavior",
year="1977",
author="Eibl-Eibesfeldt, Irenäus",
volume="3",
number="2",
pages="127-144",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}