@book { OutsorcingderWertpapierabwicklung,
    title = "Outsorcing der Wertpapierabwicklung",
    author = "Roman {Nesnov}",
    year = "2003",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832473334",
    url = "https://m.diplom.de/document/222624"
}