@book { EuropeanPluricentricLanguagesinContactandConflict, title = "European Pluricentric Languages in Contact and Conflict", author = "Rudolf {Muhr} and Josep Angel {Mas Castells} and Jack {Rueter}", year = "2020", publisher = "Peter Lang Verlag", address = "Berlin, Germany", doi = "10.3726/b16182", url = "https://www.peterlang.com/document/1057653" }