@book { PrivateEquityInvestitionenundderenBedeutungfrdieWirtschaft,
    title = "Private Equity: Investitionen und deren Bedeutung für die Wirtschaft",
    author = "Gregor {Witkowski} and Ulus {Uyar} and Weber {Heiko}",
    year = "2015",
    publisher = "BACHELOR + MASTER PUBLISHING",
    address = "Hamburg, Deutschland",
    url = "https://m.bachelor-master-publishing.de/document/297931"
}