@book { FruleinCosimaerlebteinWunder,
    title = "Fräulein Cosima erlebt ein Wunder",
    author = "Steffi {von Wolff}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1140800"
}