Ghatak, Ajoy <br/><br/>
Optics : 

 - New Delhi :  Tata McGraw-Hill,      1977. 
 - xx,538p.  cm. 
<br/><br/><label>Standard No.: </label>99454 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>C51  L7