@article{ref1,
title="Animal aggression: review of research",
journal="Genetic psychology monographs",
year="1969",
author="Vernon, W. M.",
volume="80",
number="1",
pages="3-28",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0016-6677",
doi="",
url="http://dx.doi.org/"
}