@book { ZeitumstndeBildungundMission,
    title = "Zeitumstände: Bildung und Mission",
    author = "Michael {Herbst} and Roland {Rosenstock} and Frank {Bothe}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1107076"
}