Harvey A.F. <br/><br/>
High frequency thermionic tubes / 
by A. F. Harvey ; with foreword by E. B. Moullin. 
 - New York :  John Wiley & Sons Inc.,  19xx. 
 - VIII, 235 strony :  ilustracje ;  24 cm. 
<br/><br/>Bibliografia na stronach 223-229. Indeks.