Duke-Elder, Stewart. <br/><br/>
Duke-Elder's practice of refraction / 
Duke-Elder ; revised by David Abrams. 
 - 9th ed. 
 - London :  Churchill liningstone,  c 1980. 
 - vii, 204 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>337  337 
<br/><br/>Committee name may vary. 
<br/><br/><label>ISBN: </label>0 443 01478 7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ophthalmology.
<br/><br/><label>Dewey Class. No.: </label>617.755 / A83d