@book { InMemoryBIArchitecturesamBeispielQlikView,
    title = "In-Memory BI Architectures am Beispiel QlikView",
    author = "Norman {Spangenberg}",
    year = "2013",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783656441205",
    url = "https://www.hausarbeiten.de/document/215338"
}