Sir, d8.1..22.10 <br/><br/>
Duke-Elder's Practice of refraction / 
revised by David Abrams. 
 - 9th ed. 
 - Edinburgh ; New York : New York :  Edinburgh ; New York : New York :  Edinburgh ; New York : New York :  Churchill Livingstone ; distributed by Longman,  Churchill Livingstone ; distributed by Longman,  1978. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label> L.12.00 
<br/><br/><label>LCCN: </label>78040430 //r883 
<br/><br/><label>Nat. Bib. No.: </label>GB78 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Eye -- Accommodation and refraction.--Eye -- Accommodation and refraction.<br/>Eyeglasses.
<br/><br/><label>LC Class. No.: </label>RE925  / .D8 1978 
<br/><br/><label>Dewey Class. No.: </label>617.7/55