@article{ref1,
title="Effects of exposure to an aggressive model and "frustration" on children's aggressive behavior",
journal="Child development",
year="1967",
author="Kuhn, D. Z. and Madsen, C. H. Jr and Becker, William C.",
volume="38",
number="3",
pages="739-745",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}