Saxena, V K <br/><br/>
Principles of optics 

 -  Central Book Depot, Allahabad  1980 
 - 614 
 - cc .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light & paraphotic phenomena (Optics); Physics
<br/><br/><label>Dewey Class. No.: </label>PG 535  SAX-P