Jones, Morgan. <br/><br/>
Valve amplifiers / 
Morgan Jones. 
 - 3rd ed. 
 - Oxford :  Newnes,  2003. 
 - xiii, 617 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9780750656948 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio amplifiers.<br/>Amplifiers, Vacuum-tube.