Der Bildschirmtext in der Bundesrepublik Deutschland von 1977 bis 2002 - Hagen Schonrich (Brill | Schöningh, 2021)
Keywords: Communication in marketing--Germany--History--20th century; HISTORY ; Social History; Multimedia systems--Germany--History--20th century; Teletext systems--Germany--History--20th century; Videotex systems--Germany--History--20th century