Deketh, Jan. <br/><br/>
Fundamentals of radio-valve technique :  an introduction to the physical fundamentals, properties, designs and applications of radio-receiver and power-amplifier valves covering the technical development reached up to December, 1947 / 
Translated by F.G. Garratt 
 - Eindhoven,  N.V. Philips' Gloeilampenfabrieken, Technical and Scientific Literature Dept.,  1949. 
 - 022, 535 p. :  illus. ;  24 cm. 
 - Philips' technical library. Series of books on electronic valves, book 1 .
<br/><br/>Bibliography: p. 513-521. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum-tubes.
<br/><br/><label>Dewey Class. No.: </label>621.384132  / DEF 1949