KHURANA AK <br/><br/>
Theory and practice of optics and refraction 

 -  Elsevier India Pvt. Ltd New Delhi,  2018 
 - 526P 
<br/><br/><label>ISBN: </label>978-81-312-4915 
<br/><br/><label>Dewey Class. No.: </label>535  / KHU/T