@book { DasIntranetalsKommunikationsinstrumentiminternenMarketing,
    title = "Das Intranet als Kommunikationsinstrument im internen Marketing",
    author = "Karsten {Wellmann}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832459574",
    url = "https://m.diplom.de/document/221407"
}