@book { BankdienstleistungenininteraktivenMedien,
    title = "Bankdienstleistungen in interaktiven Medien",
    author = "Tim A. {Veyhelmann}",
    year = "1998",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832407308",
    url = "https://m.diplom.de/document/216639"
}