Fedida, Sam <br/><br/>
Viewdata revolution 
Sam Fedida, Rex Malik 
 - New York  Wiley  1979 
 - 186 p.  ill.  23 cm. 
<br/><br/> "A Halsted Press book."  Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data transmission systems<br/>Information storage and retrieval systems<br/>Television systems
<br/><br/><label>Dewey Class. No.: </label>384.8  / 4