@article{ref1,
title="What can we do about violence?",
journal="Aggressive behavior",
year="1981",
author="Johnson, RN",
volume="7",
number="3",
pages="272-274",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}