Chorafas D N <br/><br/>
Interactive videutex 

 - New York       Petrocells Books         1981 
 - viii,262p.  cm. 
<br/><br/><label>Standard No.: </label>32499 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>D65,8(B);(Y), M1