@article{ref1,
title="Distinguishing among nondirect forms of aggression",
journal="Aggressive behavior",
year="2011",
author="Warren, Peter and Richardson, Deborah South and McQuillin, Samuel",
volume="37",
number="4",
pages="291-301",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0096-140X",
doi="10.1002/ab.20394",
url="http://dx.doi.org/10.1002/ab.20394"
}