@book { FinanzderivateindeutschenFonds,
    title = "Finanzderivate in deutschen Fonds",
    author = "Andreas {Treiber}",
    year = "2005",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832489779",
    url = "https://m.diplom.de/document/224137"
}