@book { DemokratieundReligion,
    title = "Demokratie und Religion",
    author = "Bernhard {Kempen} and Kolja {Naumann}",
    year = "2011",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/978-3-653-01105-0",
    url = "https://www.peterlang.com/document/1045849"
}