Woolfe, Roger. <br/><br/>
Videotex :  the new television/telephone information services / 
Roger Woolfe. 
 - London ;  Philadelphia :  Heyden,  c1980. 
 - xiii, 170 p. :  ill. ;  25 cm. 
 - Computing sciences series .
<br/><br/>Part-1: Videotex Services (Page-3), Part-2: Britain’s Prestel  (Page-63), Part-3: Worlwide Videotex Development (Page-121). 
<br/><br/><label>ISBN: </label>0855014938 
<br/><br/><label>LCCN: </label>80040758 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Videotex systems.
<br/><br/><label>Dewey Class. No.: </label>384.648,WOO