Bandopadhyay   <br/><br/>
Saral bal - vigyan 

 -  1952 
<br/><br/><label>Standard No.: </label>287367 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PHYSICS
<br/><br/><label>Dewey Class. No.: </label>C, 157J2