Barasa, G. (1985) `Incertidumbres y vacilaciones del teletexto en España', Telos: Cuadernos de Comunicación, Tecnologia y Sociedad, 1: 50-9.
2.
BBC Broadcasting Research Department (1982a) The Effects of `National Teletext Month' on Awareness of Teletext Services. (Researcher: Michael Svennevig.) London: BBC, VR/82/55, April.
3.
BBC Broadcasting Research Department (1982b) Research for CEEFAX: (1) Group Discussions with General Public. (Researcher: Michael Svennevig.) London: BBC, SP.82/08, October.
4.
BBC Broadcasting Research Department (1984a) CEEFAX: Changes in Public Awareness and Knowledge. (Researcher: Michael Svennevig.) London: BBC, SP. 84/23/83/86.7, March.
5.
BBC Broadcasting Research Department (1984b) TELETEXT: In-Vision Viewing and Public Awareness. (Researcher: Michael Svennevig.) London: BBC, SP. 84/61/84/31.3, November.
6.
British Business (1983) `Teletext a Triumph—PM Says', 22June: 699.
FTBIC (1983) `The Financial Times Business Information Consultancy', Judy Young (ed.), Key Issue Briefs: Teletext and Videotex in the UK and USA.London: FTBIC Ltd.
20.
Lace, G. (1983) `Oracle Seeks Profits', Marketing, 15December: 30-1.
21.
Lace, G. (1984) `Oracle Gets New Boss as Teletext Takes Off', Marketing, 22March: 2.
22.
McIntyre, C. (1980) `The CEEFAX Story', pp. 23-55 in E. Sigelet al., Videotex: The Coming Revolution in Home/Office Retrieval.White Plains, NY: Knowledge Industry.
23.
McIntyre, C. (1983) `Teletext in the United Kingdom', pp. 113-26 in Sigelet al. (1983).
24.
McEwan, F. (1984) `A Consultation With the Oracle', The Financial Times, 22March: 12.
25.
Mosco, V. (1982) Pushbutton Fantasies: Critical Perspectives on Videotex and Information Technology.Norwood, NJ: Ablex.
26.
Nora, S. and A. Minc (1978) L'information de la société.Paris: La Documentation Française.
Royce (1984) `A “New Look” for Ceefax', EBU Review: Programmes, Administration, Law, XXXV (1): 16.
29.
Schiller, H.I. (1981) Who Knows: Information in the Age of the Fortune 500.Norwood, NJ: Ablex.
30.
Schlesinger, P. (1984) `Privatising the BBC', The Listener, 31May: 31.
31.
Shamoon, S. (1984) `The Admen's Assault on “Auntie”, The Observer, 11November: 30.
32.
Sigel, E.et al. (1983) The Future of Videotext: Worldwide Prospects for Home/Office Electronic Information Services.White Plains, NY: Knowledge Industry.
33.
Television: Journal of the Royal Television Society (1983) `The World Reporter', March/April: 46.
34.
Television Weekly (1984a) `Oracle's Breakthrough', 27January: 9.
35.
Television Weekly (1984b) `New Plans for Oracle', 6April: 2.
36.
Veith, R.H. (1983) Television's Teletext.New York: North Holland.
37.
Weaver, D. (1982) Videotex Journalism: Teletext, Viewdata and the News.Hillside, NJ: Lawrence Erlbaum.
38.
Williams, E. (1983) `Microcomputer Can Take Software From Ceefax: BBC Launches Telesoftware', The Financial Times, 22October: 31.