Khann, D R. <br/><br/>
Textbook of sound   

 - New Delhi :   Atmaram and Sons,   1992. 
 - 884 ;  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Sciences
<br/><br/><label>Dewey Class. No.: </label>534  / KHA