@book { ShareholderValueimdeutschenBankgeschft,
    title = "Shareholder Value im deutschen Bankgeschäft",
    author = "Richard {Berner}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832438357",
    url = "https://m.diplom.de/document/219511"
}