@article{ref1,
title="Bullying: current research approaches to diagnosis, mechanisms and prevention",
journal="Praxis der Kinderpsychologie und Kinderpsychiatrie",
year="2009",
author="Hampel, Petra and Hayer, Tobias",
volume="58",
number="2",
pages="77-80",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0032-7034",
doi="",
url="http://dx.doi.org/"
}