@article{ref1,
title="Media violence, anti-social behavior and friendship",
journal="Bulletin of Tokyo Gakugei University: Educational Science",
year="2009",
author="Wada, Masato",
volume="60",
number="",
pages="475-486",
abstract="[English abstract unavailable]Language: ja<p />",
language="",
issn="1880-4306",
doi="",
url="http://dx.doi.org/"
}