@book { BalancedScorecard,
    title = "Balanced Scorecard",
    subtitle = "Ein innovatives Steuerungs- und Führungsinstrument für Unternehmen?",
    author = "Alexander {Steinacher}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832451639",
    url = "https://m.diplom.de/document/220690"
}