@book { EignungvonOLAPToolsfranalytischesCustomerRelationshipManagement,
    title = "Eignung von OLAP-Tools für analytisches Customer Relationship Management",
    author = "Christoph {Reis}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832453107",
    url = "https://m.diplom.de/document/220874"
}