@book { DasdunkleLiedvonMachtundBlutDiegroeMerowingerSaga,
    title = "Das dunkle Lied von Macht und Blut: Die große Merowinger-Saga",
    author = "Robert {Gordian}",
    year = "2020",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/508919"
}