B S, Agrwal <br/><br/>
Concise Physics: Sound 

 - Kottayam  NATIONAL BOOKSTALL  1978 
<br/><br/><label>Subjects--Uniform Titles: </label>--General Stack
<br/><br/><label>Subjects--Topical Terms: </label>--Physics
<br/><br/><label>Dewey Class. No.: </label>534  / AGR-C