@book { HedgingvonCreditRisk,
    title = "Hedging von Credit Risk",
    author = "Katrin {Tamm}",
    year = "2002",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832450557",
    url = "https://m.diplom.de/document/220588"
}