@article{ref1,
title="Control of intraspecies violence in humans -- notes on origins and occurrence",
journal="Aggressive behavior",
year="1983",
author="Paddock, J.",
volume="9",
number="2",
pages="107-107",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}