@article{ref1,
title="Leader behavior, esteem for the least preferred co-worker, and group performance",
journal="Journal of social psychology",
year="1973",
author="Graham, W. K.",
volume="90",
number="1",
pages="59-66",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0022-4545",
doi="10.1080/00224545.1973.9922620",
url="http://dx.doi.org/10.1080/00224545.1973.9922620"
}