Khurana, A K <br/><br/>
Theory and practice of optics and refraction 
A K Khurana. 
 - 3rd ed. 
 - New Delhi  Elsevier  2014 
 - viii, 439p: col, ill; 24cm. 
<br/><br/><label>ISBN: </label>9788131231050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ophthalmology.
<br/><br/><label>Dewey Class. No.: </label>617.7  / K55T