@book { WissensmanagementausderPerspektivedesWissensmanagers,
    title = "Wissensmanagement aus der Perspektive des Wissensmanagers",
    author = "Christine {Fritsche}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832444464",
    url = "https://m.diplom.de/document/220053"
}