@book { HrspielformenimVergleich,
    title = "Hörspielformen im Vergleich",
    author = "Frank {Lücke}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836647595",
    url = "https://m.diplom.de/document/227820"
}