KHANNA,D.R. BEDI,R.S. <br/><br/>
TEXTBOOK OF SOUND 

 - DELHI  ATMA RAM AND SONS  1983 
 - p.508 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ULTRASONICS<br/>MUSICAL INSTRUMENTS
<br/><br/><label>Dewey Class. No.: </label>534 K45T