@book { USGAAPderFairValuealsLeitlinie,
    title = "US-GAAP - der Fair Value als Leitlinie",
    author = "Dennis {Schön}",
    year = "2004",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832481704",
    url = "https://m.diplom.de/document/223391"
}