@book { DieTheoriederBildungimWerkdesNovalis,
    title = "Die Theorie der Bildung im Werk des Novalis",
    author = "Klaus {Geppert}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1070202"
}