@book { InvestmentfondskategorienMotiveundImplikationen,
    title = "Investmentfondskategorien - Motive und Implikationen",
    author = "Alexander {Roth}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836623780",
    url = "https://m.diplom.de/document/226406"
}