@book { OnlinestattRundfunk,
    title = "Online statt Rundfunk?",
    author = "Andreas {Hahn}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832474607",
    url = "https://m.diplom.de/document/222351"
}