Weale, R.A. <br/><br/>
Focus on vision / 
R.A. Weale. 
 - London. :  Hodder and Stoughton,  1982. 
 - viii, 194 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Include bibliographical references. 
<br/><br/><label>ISBN: </label>0340248394 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vision.