@book { WissensmanagementinlernendenUnternehmen,
    title = "Wissensmanagement in lernenden Unternehmen",
    author = "Frank {Rudolf}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832405557",
    url = "https://m.diplom.de/document/216489"
}