@book { MenschundMedien,
    title = "Mensch und Medien",
    subtitle = "Entwurf einer Ethik der Medienrezeption",
    author = "Gregor M. {Jansen}",
    year = "2003",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1096085"
}