Khanna D R <br/><br/>
Textbook of sound 
Khanna D R; Bedi R S 
 - 10 
 -  1971 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>65071 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sound
<br/><br/><label>Dewey Class. No.: </label>C3, L1