@article{ref1,
title="Friendship and three A's (aggression, adjustment, and attachment)",
journal="Journal of experimental child psychology",
year="2004",
author="Berndt, Thomas J.",
volume="88",
number="1",
pages="1-4",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-0965",
doi="10.1016/j.jecp.2004.03.004",
url="http://dx.doi.org/10.1016/j.jecp.2004.03.004"
}