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