@book { NeukundenakquisitionimOnlineHandelEntwicklungeinerkostenanalytischenMethodik,
    title = "Neukundenakquisition im Online-Handel - Entwicklung einer kostenanalytischen Methodik",
    author = "Christin {Hutter}",
    year = "2001",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783832442200",
    url = "https://m.diplom.de/document/219836"
}