Abrams David(Rev) <br/><br/>
Duke-elder's practice of refraction/ 

 - 10th 
 - Delhi:  Butterworth-heinemann,  2002. 
 - 301p. 
<br/><br/><label>ISBN: </label>0750644753 
<br/><br/><label>Dewey Class. No.: </label>617.5  / ABR/PR