@book { CashManagementimmultinationalenUnternehmen,
    title = "Cash-Management im multinationalen Unternehmen",
    author = "Michael {Mangold}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832402754",
    url = "https://m.diplom.de/document/216262"
}