@book { ExternesBenchmarkingalsInstrumentdesstrategischenControlling,
    title = "Externes Benchmarking als Instrument des strategischen Controlling",
    author = "Karina {Boldyreva}",
    year = "2005",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638428668",
    url = "https://m.hausarbeiten.de/document/45467"
}