@book { DigitaleVideostreamsundMglichkeitenderInteraktivitt,
    title = "Digitale Videostreams und Möglichkeiten der Interaktivität",
    author = "Matthias {Boyer}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832454494",
    url = "https://m.diplom.de/document/221002"
}