@article{ref1,
title="School Violence: Trends, Risk Factors, Prevention, and Recommendations",
journal="Law and policy",
year="2001",
author="O'Donnell, Clifford R.",
volume="23",
number="3",
pages="409-416",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0265-8240",
doi="10.1111/1467-9930.00118",
url="http://dx.doi.org/10.1111/1467-9930.00118"
}