Mathur, B. K. <br/><br/>
Principles of optics / 

 - 2nd  
 - Kanpur  Gopal printing press  1967 
 - 826p.   ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Light radiation
<br/><br/><label>Dewey Class. No.: </label>535  / M45P