Subrahmanyam, N; Brij Lal <br/><br/>
Textbook of optics / 
Subrahmanyam, N; Brij Lal 
 - 9 ed. 
 -  S Chand & Co. Ltd., New Delhi,  1977 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light & paraphotic phenomena (Optics); Physics
<br/><br/><label>Dewey Class. No.: </label>535 SUB-T9