@article{ref1,
title="Concommitants of physical, verbal, and indirect aggression",
journal="Aggressive behavior",
year="1999",
author="Bjorkqvist, Kaj and Osterman, Karin and Kaukiainen, Ari and Lagerspetz, KMJ",
volume="25",
number="1",
pages="35-35",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}