@article{ref1,
title="Disruption of behavioral states as a cause of aggression",
journal="Nebraska symposium on motivation",
year="1972",
author="Calhoun, J. B.",
volume="20",
number="",
pages="183-260",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0146-7875",
doi="",
url="http://dx.doi.org/"
}