Beck, Arnold Hugh William  (1916- ). <br/><br/>
Velocity-modulated thermionic tubes / 
by A. H. W. Beck. 
 - Cambridge :  Cambridge at the University Press,  1948. 
 - X, 180 stron :  ilustracje ;  22 cm. 
 - Modern Radio Technique .
 - Modern Radio Technique .
<br/><br/>Indeks.