Subrahmanyam, N. <br/><br/>
A Textbook of Sound / 
N. Subrahmanyam; Brij Lal 
 - New Delhi :  Vikas Publishing House Pvt Ltd,  1974. 
 - 285 p. :  illu;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound
<br/><br/><label>Dewey Class. No.: </label>534  / SUR 1974