@book { KonzeptionundAnalyseeinesSocialCreationNetworks,
    title = "Konzeption und Analyse eines Social Creation Networks",
    author = "Nicolas {Greiff}",
    year = "2007",
    publisher = "Diplom.de",
    address = "Hamburg, Deutschland",
    doi = "10.3239/9783836607339",
    url = "https://m.diplom.de/document/225284"
}