Hellman, Charles I. <br/><br/>
Elements of radio/ 
Charles I. Hellman 
 - 3rd ed. 
 - New Jersey:  D. Van Nostrand,  c1956 
 - xiii, 354 p.;  22 cm. 
<br/><br/> Includes index  Library has 2 cops. 
<br/><br/><label>ISBN: </label> Rs. 6.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Radio--Receivers and reception<br/>Amplifiers and electronics<br/>Radio--Transmitters and transmission<br/>Radio stations
<br/><br/><label>Dewey Class. No.: </label>621.384