Valley Wallman. <br/><br/>
Vacuum Tube Amplifiers.(1948). 

 - 1st Ed. 
 -  Tata McGraw-Hill Publishing Company Limited  1959 
 - 743p.  23 cm. 
<br/><br/><br/>Text in English 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>ELN
<br/><br/><label>Index Terms--Genre/Form: </label><br/>F-09
<br/><br/><label>Dewey Class. No.: </label>24F-107  / VAL