@book { DerMarktoModelAnsatzinderFinanzkrise,
    title = "Der Mark-to-Model-Ansatz in der Finanzkrise",
    author = "Christian {Waibel}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836637978",
    url = "https://m.diplom.de/document/226953"
}