Orr, William I. <br/><br/>
Radio handbook / 
William I. Orr 
 - 22nd ed. 
 - Indianapolis ;  Howard W. Sams,  1981. 
 - various pagings ; illustrations : 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0672218747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Handbboks, manuals, etc
<br/><br/><label>LC Class. No.: </label>TK 6550  / .O7 1981