@book { BusinessCommunitiesalsWerkzeugfrKompetenzmanagement,
    title = "Business Communities als Werkzeug für Kompetenzmanagement",
    author = "Ulrich {Waibel}",
    year = "2000",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832428754",
    url = "https://m.diplom.de/document/218602"
}