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

 - 1st 
 - New delhi  Elsevier  2001 
 - 347 
<br/><br/><label>ISBN: </label>9788181470034 
<br/><br/><label>Dewey Class. No.: </label>617.5  / KHU/TH