@book { RisikomanagementanKapitalmrkten,
    title = "Risikomanagement an Kapitalmärkten",
    author = "Matthias {Brosche}",
    year = "2009",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783640430673",
    url = "https://www.hausarbeiten.de/document/135246"
}