@book { UnterwegsfrdieVolkskirche,
    title = "Unterwegs für die Volkskirche",
    author = "Wilhelm-Ludwig {Federlin} and Edmund {Weber}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1075625"
}