@article{ref1,
title="Observational learning of motives and consequences for television aggression: a developmental study",
journal="Child development",
year="1974",
author="Collins, W. A. and Berndt, T. J. and Hess, V. L.",
volume="45",
number="3",
pages="799-802",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0009-3920",
doi="",
url="http://dx.doi.org/"
}