EASTMAN, Austin V. <br/><br/>
Fundamentals of vacuum tubes 

 - 3rd ed. 
 - New York  Mcgraw-hill  1949 
 - xxi, 644 p. 
<br/><br/><label>ISBN: </label>74311 
<br/><br/><label>Dewey Class. No.: </label>621.38151  / EAS