@book { PrivateEquityalsGeschftsfeldvonSparkassen,
    title = "Private Equity als Geschäftsfeld von Sparkassen",
    author = "Marcus {Voll}",
    year = "2008",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836617543",
    url = "https://m.diplom.de/document/226049"
}