Witts, Alfred <br/><br/>
Radio Upkeep and Repairs 
Alfred Witts                                                
 - 7th ed. 
 - London  Sir Isaac Pitman and Sons  1952 
 - iv, 220p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NASA Thesaurus<br/>Radio Engineering
<br/><br/><label>Universal Decimal Class. No.: </label>621.396  / WIT