@book { DerMittelstandimProzederGlobalisierung,
    title = "Der Mittelstand im Prozeß der Globalisierung",
    author = "Andreas {Gschmeidler}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832408749",
    url = "https://m.diplom.de/document/216775"
}