@book { MultimedialesMarketingimWorldWideWeb,
    title = "Multimediales Marketing im World Wide Web",
    author = "Heike {Pienkoß}",
    year = "1997",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832401085",
    url = "https://m.diplom.de/document/216061"
}