@book { NeueMglichkeitendesElectronicCommercefrdasMarketing,
    title = "Neue Möglichkeiten des Electronic Commerce für das Marketing",
    author = "Martin {Schneider}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832446482",
    url = "https://m.diplom.de/document/220258"
}