@book { DerIFRSforSMEs,
    title = "Der IFRS for SMEs",
    author = "Valentin {Beniers}",
    year = "2010",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836646642",
    url = "https://m.diplom.de/document/227778"
}