@article{ref1,
title="Facilitative effects of media violence on helping",
journal="Psychological reports",
year="1977",
author="Mueller, C. and Nelson, R. and Donnerstein, Edward",
volume="40",
number="3",
pages="775-778",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}