Ghatak, Ajoy <br/><br/>
Optics / 
Ghatak, Ajoy 
 -  Tata Mcgraw-Hill Publishing Company Limited, New Delhi 
 - 694p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Politics
<br/><br/><label>Dewey Class. No.: </label>535  / GHAO