Subrahmanyam,N <br/><br/>
A textbook of sound 

 - 1st . Ed. 
 - New Delhi  Vikas Publishing House Pvt Ltd.  1990 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physics
<br/><br/><label>Dewey Class. No.: </label>621  / SU-S