@book { DieBilanzierungimmateriellerWertenachHBGundIFRS,
    title = "Die Bilanzierung immaterieller Werte nach HBG und IFRS",
    author = "Tanja {Schmidt}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832488741",
    url = "https://m.diplom.de/document/224051"
}