@book { InteraktivesFernsehenalsDistributionskanal,
    title = "Interaktives Fernsehen als Distributionskanal",
    author = "Sophia-Caroline {Kosel}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832433970",
    url = "https://m.diplom.de/document/219071"
}