@book { WissensmanagementundMotivation,
    title = "Wissensmanagement und Motivation",
    author = "Thomas {Ahlers}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832446550",
    url = "https://m.diplom.de/document/220264"
}