@book { DerFluchdesFlorentiners,
    title = "Der Fluch des Florentiners",
    subtitle = "Roman",
    author = "Rolf {Ackermann}",
    year = "2014",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/285924"
}