@article{ref1,
title="Social Psychology of Intergroup Relations for a New Century",
journal="Analyses of social issues and public policy",
year="2009",
author="Hammack, Phillip L.",
volume="9",
number="1",
pages="331-334",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="1529-7489",
doi="10.1111/j.1530-2415.2008.01160.x",
url="http://dx.doi.org/10.1111/j.1530-2415.2008.01160.x"
}