@book { SapphoDichterineinerneuenZeit,
    title = "Sappho, Dichterin einer neuen Zeit",
    author = "Siegfried {Obermeier}",
    year = "2021",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/978110"
}