@article{ref1,
title="Ethnic diversity and the state",
journal="British journal of sociology",
year="2004",
author="Joppke, Christian",
volume="55",
number="3",
pages="451-463",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0007-1315",
doi="10.1111/j.1468-4446.2004.00031.x",
url="http://dx.doi.org/10.1111/j.1468-4446.2004.00031.x"
}