@article{ref1,
title="A multi-component, multi-context program to prevent the development of aggressive behavior in high-risk elementary school children",
journal="Aggressive behavior",
year="1993",
author="Guerra, N. G. and Huesmann, L. Rowell and Tolan, P. and VanAcker, Richard and Eron, L. D.",
volume="19",
number="1",
pages="19-20",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}