Deketh, J. <br/><br/>
Fundamentals of radio-valve technique   
by J. Deketh 
 - Edindhoven  N. V. Philips' Gloeilampenfabrieken  1949 
 - 535p. 
 - Series of books on electronic valves  Book 1 .
<br/><br/><label>Dewey Class. No.: </label>621.384132  / N49;1