@book { DieRichtlinie200439EGberMrktefrFinanzinstrumente,
    title = "Die Richtlinie 2004/39/EG über Märkte für Finanzinstrumente",
    author = "Claudia {Helms}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836609890",
    url = "https://m.diplom.de/document/229095"
}