@book { SoftwaretechnologienzurUntersttzungdesKnowledgeManagements,
    title = "Softwaretechnologien zur Unterstützung des Knowledge-Managements",
    author = "Cornelia {Putzhammer}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832452049",
    url = "https://m.diplom.de/document/220731"
}