@article{ref1,
title="Sex Differences in Covert Aggression Among Adults",
journal="Aggressive behavior",
year="1994",
author="Bjoerkqvist, Kaj and Oesterman, Karin and Lagerspetz, Kirsti M. J.",
volume="20",
number="1",
pages="27-33",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}