@article{ref1,
title="The predictive power of pro-social behavior for disruptive kindergarten boys",
journal="Aggressive behavior",
year="1989",
author="Tremblay, Richard E. and Charlebois, P. and Gagnon, C. and Larivee, S.",
volume="15",
number="1",
pages="125-126",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0096-140X",
doi="",
url="http://dx.doi.org/"
}