@book { StandundEntwicklungstendenzenderInternetkommunikation,
    title = "Stand und Entwicklungstendenzen der Internetkommunikation",
    author = "Christian {Triesch}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832493882",
    url = "https://m.diplom.de/document/224523"
}