@book { MuslimischeGemeinden,
    title = "Muslimische Gemeinden",
    author = "Rauf {Ceylan}",
    year = "2017",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b12528",
    url = "https://www.peterlang.com/document/1054507"
}