SARBHAI (K P) & SEHGAL (N K). <br/><br/>
Optics. 

 - N D  Sultan Chand & Sons  1973 
 - xii,345 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics
<br/><br/><label>Dewey Class. No.: </label>535 SARO