Brij Lal <br/><br/>
Textbook of Optics 
N. Subrahmanyam; Avadhanulu, Brij V. Lal 
 - New Delhi  S. Chand and Company Ltd  2002 
 - xiv, 718p. 
<br/><br/><p>Contents :1. Light2. Fermats princip 
<br/><br/><label>ISBN: </label>8121904676 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics
<br/><br/><label>Dewey Class. No.: </label>535 SUB