@book { RatingagenturenundVerbriefungskriseBeingForeclosedontheAmericanDream,
    title = "Ratingagenturen und Verbriefungskrise - Being Foreclosed on the American Dream",
    author = "Christian {Böhm}",
    year = "2009",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836635141",
    url = "https://m.diplom.de/document/227157"
}