@article{ref1,
title="Aggressive behavior",
journal="Mental hygiene",
year="1949",
author="Owen, T. V. and Stemmermann, M. G.",
volume="33",
number="3",
pages="436-442",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0025-9683",
doi="",
url="http://dx.doi.org/"
}