GHATAK (Ajoy). <br/><br/>
Optics. 

 - 5 
 - New Delhi  Tata McGrawhill  2012 
 - xxvi, 32.7  PB 
<br/><br/><label>ISBN: </label>97881259004346 
<br/><br/><label>Dewey Class. No.: </label>535 GHAA