@book { StrategischesControllinginVertriebundMarketingmitderBalancedScorecard,
    title = "Strategisches Controlling in Vertrieb und Marketing mit der Balanced Scorecard",
    author = "Stephan {Schwienheer}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832455248",
    url = "https://m.diplom.de/document/221024"
}