Everitt, W. L. <br/><br/>
Communicative engineering 

 - New York  McGraw-Hill  1956 
 - 644 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comminications engineering
<br/><br/><label>LC Class. No.: </label>C 621.382 Ev27c 1956