@book { DieLwinvonAquitanien,
    title = "Die Löwin von Aquitanien",
    subtitle = "Roman | Der Bestseller über die berühmteste Frau des Mittelalters",
    author = "Tanja {Kinkel}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://www.dotbooks.de/document/1064627"
}