Khurana A K <br/><br/>
Theory and practice of optics and refraction 

 - 2nd 
 - New delhi  Elsevier  2008 
 - 445 
<br/><br/><label>ISBN: </label>9788131211328 
<br/><br/><label>Dewey Class. No.: </label>617.5  / KHU/TH