Gregory, R. L. <br/><br/>
The intelligent eye / 
By R. L. Gregory. 
 - London :  Weidenfeld and Nicolson,  1970. 
 - 191 p. :  ill. ;  25 cm. 
<br/><br/> Based on the author's Royal Institution Christmas lectures of 1967-8.  3-D spectacles in pocket. 
<br/><br/>Bibliography: p. 181-185. 
<br/><br/><label>ISBN: </label>029700476X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Visual perception.