@book { WerkzeugezurRealisierungdesBusinessIntelligence,
    title = "Werkzeuge zur Realisierung des Business Intelligence",
    author = "Katja {Günther}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638365345",
    url = "https://www.hausarbeiten.de/document/37086"
}