@book { BusinessIntelligencederProzess,
    title = "Business Intelligence - der Prozess",
    author = "Ulrike {Wollgandt} and Alexandra {Trefz}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638387767",
    url = "https://www.hausarbeiten.de/document/40204"
}