Ghatak,Ajoy <br/><br/>
Optics Multicolour Edition / 
Ghatak,Ajoy 
 - 7th ed 
 - 1.6 p. ; 24cm. 
<br/><br/><label>ISBN: </label>9789390113590 
<br/><br/><label>Dewey Class. No.: </label>535