Witts, Alfred T <br/><br/>
The Superheterodyne receiver  Its development theory and modern practice 
Alfred T. Witts 
 - 3rd ed. 
 - London  Sir Isaac Pitman and Sons  1937 
 - vii, 182p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Heterodyning<br/> Superheterodyne Receivers <br/>NASA Thesaurus 
<br/><br/><label>Universal Decimal Class. No.: </label>621.397.62  / WIT