Orr, William I . <br/><br/>
Radio Handbook 
William I Orr                                           
 - 21st ed. 
 - Indiana  Editors and Engineers  1978 
 - [various pagings.] 
<br/><br/><label>ISBN: </label>0-672-24034-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Handbooks-Radio<br/>NASA Thesaurus<br/>Radio-Handbooks
<br/><br/><label>Universal Decimal Class. No.: </label>(035)621.396  / ORR