KHURANA, A K. <br/><br/>
Theory and Practice of Optics and Refraction/ 
by AK Khruna. 
 - 4th. 
 - New Delhi  Elsevier  2020 
 - 526p.  includes index;  21 cm. 
<br/><br/> 16-09-2022 
<br/><br/><label>ISBN: </label>8131249700