@article{ref1,
title="Violence-Prevention Programs in Schools: State of the Science and Implications for Future Research",
journal="Applied and preventive psychology",
year="1999",
author="Howard, Kim Ammann and Flora, June A. and Griffin, Marie",
volume="8",
number="3",
pages="197-215",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0962-1849",
doi="",
url="http://dx.doi.org/"
}