@book { CoveredWarrantsalsFinanzinnovationfrprivateKapitalanlegerundPortfoliomanager,
    title = "Covered Warrants als Finanzinnovation für private Kapitalanleger und Portfoliomanager",
    author = "Axel {Schuster}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832414795",
    url = "https://m.diplom.de/document/217328"
}