Slurzberg, Morris  Osterheld, William  <br/><br/>
Essentials of Communication Electronics 

 - 3rd ed. 
 - Auckland   McGraw-Hill  1973 
 - 21X15 
<br/><br/><label>ISBN: </label>0070583099 
<br/><br/><label>Dewey Class. No.: </label>621.382 S6344