The radio handbook / 

 - Edi. 15 
 - U.S.A.  Editors and engineers ,  1959. 
 - 800 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio 
<br/><br/><label>Dewey Class. No.: </label>621.37/39 (031) The 44