Saunders, David <br/><br/>
Teletext  [videorecording] / 
produced by David Saunders 
 - England :  The Open University Production,  1976 
 - 1 videocassette (U-matic) (25 min.) :  sd., col., ;  3/4 in. 
<br/><br/>Speakers: David Crecraft, Gaby Smol 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teletext (Data transmission system)<br/>Teletaxt (Data transmission system--United States<br/>Videotex (Data transmission system)--united States