Kapur, N. Mathur, I.D. Miranda, J.B. <br/><br/>
The Joy Of Science 5. 

 - 1st ed. 
 - New Delhi :  Frank Bros.& Co Publishers Ltd,  1988. 
 - 114 p. 
<br/><br/><label>Dewey Class. No.: </label>500  / KAP