also Online service provider Nabu Network—the Nabu Network was not a videotex system, but it was an early data communications service which was centrally run by the Canadian cable industry. References Further reading Michael Aldrich (1982), Videotex: Key to the Wired City, London: Quiller Press. Claire Ancelin and Marie Marchand, eds. (1984), Le Vidéotex: Contribution aux débats sur la télématique. Paris: Masson. Beth Krevitt-Eres et al, for UNESCO (1986), A decision-makers' guide to videotex and teletext. Includes a useful country-by-country survey of videotex systems operating at that date. Bernard Marti, ed. (1990), Télématique, techniques, normes, services. Paris: Dunod Thomas P. Caruso and Mark R. Harsch, with Edward B. Roberts, thesis supervisor (1984), Joint Ventures in the Cable and Videotex Industry, Masters Thesis, MIT Sloan School of Management. Susanne K. Schmidt and Raymund Werle (1998) Interactive Videotex, in Coordinating technology: studies in the international standardization of telecommunications, MIT Press, pp. 147–184 External links David Carlson, The Online Timeline: 1980s, University of Florida Web 0.1 - Before the Internet, there was videotex. - MIT Technology Review Computer graphics History of computer networks History of the Internet Legacy systems