@book { HedgeFunds,
    title = "Hedge Funds",
    author = "Ralf {Clashinrichs}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832474249",
    url = "https://m.diplom.de/document/222708"
}