@book { ElectronicCommerceinderVersicherungswirtschaft,
    title = "Electronic Commerce in der Versicherungswirtschaft",
    author = "Stephan {Dieter}",
    year = "1999",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832417932",
    url = "https://m.diplom.de/document/217649"
}