Kennedy G <br/><br/>
Electronic communication system 

 - 3 
 -  1970 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>78490 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Communication system
<br/><br/><label>Dewey Class. No.: </label>D65,4, M5;N1;2