@article{ref1,
title="Youth with aggressive and violent behaviors: Pieces of a puzzle",
journal="Preventing school failure",
year="1998",
author="Edmonson, Hank M. and Bullock, Lyndal M.",
volume="42",
number="3",
pages="135-141",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1045-988X",
doi="10.1080/10459889809603181",
url="http://dx.doi.org/10.1080/10459889809603181"
}