@book { IASIFRSRechnungslegung,
    title = "IAS/IFRS-Rechnungslegung",
    author = "Roland Alexander {Winkelmeier}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832467210",
    url = "https://m.diplom.de/document/222096"
}