Ajay Ghatak <br/><br/>
Optics  

 - 6th 
 - New Delhi  McGraw Hill Education  2018 
 - xxvii-I-6  23cm 
<br/><br/><label>ISBN: </label>9789339220907 
<br/><br/><label>Dewey Class. No.: </label>535  / GHA