@book { ControllingmitIntranetundBusinessIntelligenceLsungen,
    title = "Controlling mit Intranet- und Business Intelligence Lösungen",
    author = "Dirk {Nölken}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1093746"
}