@book { BalancedScorecardManagementsystemzurStrategieumsetzung,
    title = "Balanced Scorecard, Managementsystem zur Strategieumsetzung",
    author = "Ivo {Eberle}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832475376",
    url = "https://m.diplom.de/document/222818"
}