@article{Ruedin2013, author = "Didier Ruedin", title = "{Wordfish Estimates of Party Positions on Immigration in Switzerland}", year = "2013", month = "3", url = "https://figshare.com/articles/figure/Wordfish_Estimates_of_Party_Positions_on_Immigration_in_Switzerland/663612", doi = "10.6084/m9.figshare.663612.v1" }