Subrahmanyam, N; Brij Lal <br/><br/>
Textbook of sound / 
Subrahmanyam, N; Brij Lal 
 - 2 ed. 
 -  Vikas Publishing House Pvt. Ltd., New Delhi,  1978 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound & related vibrations; Physics
<br/><br/><label>Dewey Class. No.: </label>534 SUB-T2