Subrahmanyam, N.  <br/><br/>
A textbook of sound /  
N. Subrahmanyam and Brij Lal.  
 - 2nd rev. ed. 
 - New Delhi :  Vikas Publishing House,  c1995 [Reprinted 2014]. 
 - viii, 285 pages :  illustrations ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9780706998177 0706998170 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound.
<br/><br/><label>Dewey Class. No.: </label>534 SUB