@book { DieSachsenSaga,
    title = "Die Sachsen-Saga",
    subtitle = "Drei Romane in einem Band",
    author = "Kari {Köster-Lösche}",
    year = "2017",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/353216"
}