Khurana, AK <br/><br/>
Theory and practice of optics and refraction 
AK Khurana 
 - 2nd ed 
 - Gurgaon, Haryana  Elsevier India  2008 
 - ix, 445 p. : col. ill. ; 24 cm 
<br/><br/> Reprinted in 2009 (twice). Includes index 
<br/><br/><label>ISBN: </label>9788131211328 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Medicine--Optics
<br/><br/><label>Dewey Class. No.: </label>617.755 KHU