"Suman s. roy, Tanoy Choudhury (Illustrators)" <br/><br/>
Physics - Waves and Sound 

 - India  ,Pegasus  1996 
 - 31 
<br/><br/><label>ISBN: </label>0000000000 
<br/><br/><label>Dewey Class. No.: </label>530.030  / 2312B