@article{ref1,
title="Children's aggression following competition and exposure to an aggressive model",
journal="Child development",
year="1969",
author="Nelson, J. D. and Gelfand, D. M. and Hartmann, D. P.",
volume="40",
number="4",
pages="1085-1097",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}