@book { Protestantismusheute,
    title = "Protestantismus heute ",
    author = "Uwe {Gerber}",
    year = "2022",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b19458",
    url = "https://www.peterlang.com/document/1181334"
}