@article{ref1,
title="Effects of Playing Violent Versus Nonviolent Video Games on the Aggressive Ideation of Aggressive and Nonaggressive Children",
journal="Child study journal",
year="1985",
author="Graybill, Daniel and Kirsch, Janis R. and Esselman, Edward D.",
volume="15",
number="3",
pages="199-205",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0009-4005",
doi="",
url="http://dx.doi.org/"
}