@article{ref1,
title="The dilemma with aggression: primary need or consequence of frustration",
journal="Canadian Psychiatric Association Journal",
year="1969",
author="Aufrieter, J.",
volume="14",
number="5",
pages="493-496",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4824",
doi="",
url="http://dx.doi.org/"
}