@book { AnbindungeinesUnternehmensandasInternet,
    title = "Anbindung eines Unternehmens an das Internet",
    author = "Alexander {Behnke}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832409203",
    url = "https://m.diplom.de/document/216820"
}