Koller, L.R.. <br/><br/>
The Physics of Electron Tubes /  Textual Documents 
L.R.Koller. 
 - 2nd ed. / 
 - New York :  McGraw - Hill book company ,  1937. 
 - xv,233p. :  ill ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>Electron Tubes G-Physics 
<br/><br/><label>Dewey Class. No.: </label>537.6  / K 833 P