Ajoy Ghatak <br/><br/>
Optics 

 - 6th ed. 
 - Chennai  McGraw Hill  2019 
 - xxvii, L6.  28x22cm. 
<br/><br/><label>ISBN: </label>9789339220907  725 
<br/><br/><label>Dewey Class. No.: </label>535  / GHA/OPT