@book { DieltereFassungderVitaRadbodi,
    title = "Die ältere Fassung der Vita Radbodi",
    author = "Brigitte {Ahlers}",
    year = "1976",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1069782"
}