SATYA PRAKASH. <br/><br/>
Optics. 

 - 
 - Agra  Ratan Prakashan Mandir  1989 
 - x,555 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics
<br/><br/><label>Dewey Class. No.: </label>535 SATO