@book { DerMarktfrAlternativeInvestments,
    title = "Der Markt für Alternative Investments",
    author = "Sebastian {Petrich}",
    year = "2006",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832498580",
    url = "https://m.diplom.de/document/224975"
}