@article{ref1,
title="Self-reports of group cohesion under high and low cooperation",
journal="Psychological reports",
year="1975",
author="Pack, D. G. and Rickard, H. C.",
volume="36",
number="1",
pages="86-86",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0033-2941",
doi="",
url="http://dx.doi.org/"
}