@article{Joppke2004,
author = {Joppke, C.},
title= {The retreat of multiculturalism in the liberal state: Theory and policy},
year = {2004},
doi = {10.1111/j.1468-4446.2004.00017.x},
journal = {British Journal of Sociology},
volume = {55},
pages = {237--57},
}