Thomson, John. <br/><br/>
Radio communication at high frequency / 
John Thomson. 
 - London :  Methuen,  1950. 
 - xix, 203 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>336  336 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Applied physics
<br/><br/><label>Dewey Class. No.: </label>621 .384151 / T384r