@book { VoluntaryValueReportingaufBasisderIFRSIAS, title = "Voluntary Value Reporting auf Basis der IFRS/IAS", subtitle = "Grundlagen, Inhalte, qualitative Beurteilung", author = "Jürgen {Stauber}", year = "2004", publisher = "Peter Lang Verlag", address = "Berlin, Germany", url = "https://www.peterlang.com/document/1098047" }