@book { SommertagmitungeahnterEntwicklung,
    title = "Sommertag mit ungeahnter Entwicklung",
    author = "C. Ken {Magfi}",
    year = "2024",
    publisher = "via tolino media",
    address = "München, Deutschland",
    url = "https://tolino.openpublishing.com/document/1483460"
}