@book { DieroteSonneAfrikasoderDieStadtunterdenSteinen,
    title = "Die rote Sonne Afrikas - oder: Die Stadt unter den Steinen",
    author = "Jens Johannes {Kramer}",
    year = "2023",
    publisher = "dotbooks Verlag",
    address = "München, Deutschland",
    url = "https://m.dotbooks.de/document/1190033"
}