@book { BusinessIntelliganceToolsimKooperationscontrolling,
    title = "Business Intelligance-Tools im Kooperationscontrolling",
    author = "Sven {Braatz}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832473693",
    url = "https://m.diplom.de/document/222659"
}