@article{ref1,
title="Types of Portrayal and Aggressive Behavior",
journal="Journal of communication",
year="1977",
author="Comstock, G.",
volume="27",
number="3",
pages="189-198",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0021-9916",
doi="10.1111/j.1460-2466.1977.tb02147.x",
url="http://dx.doi.org/10.1111/j.1460-2466.1977.tb02147.x"
}