@book { DiemittelalterlicheBibliothekderAbteiWeienau,
    title = "Die mittelalterliche Bibliothek der Abtei Weißenau",
    author = "Elke {Wenzel}",
    year = "1998",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1086194"
}