Hanntjes, J. <br/><br/>
Classification of electron tubes 
J. Hanntjes and H. Cartar   
 - 2nd ed. 
 - New York, The Macmillan Company  1962 
 - 95p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Diodes<br/>Electron Tubes<br/>NASA Thesaurus
<br/><br/><label>Universal Decimal Class. No.: </label>621.385.2  / HAA