@book { IFRSfrdendeutschenMittelstand,
    title = "IFRS für den deutschen Mittelstand?",
    author = "Andreas {Ochs}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836604444",
    url = "https://m.diplom.de/document/228952"
}