@book { MassenmanipulationdurchdieMedien,
    title = "Massenmanipulation durch die Medien",
    author = "Christoph {Sülzer}",
    year = "2003",
    publisher = "GRIN Verlag",
    address = "München, Germany",
    doi = "10.3239/9783638236706",
    url = "https://www.hausarbeiten.de/document/19583"
}