Wright, W. D. (William David), 1906-  Wright, W. D. (William David), 1906- <br/><br/>
Researches on normal and defective colour vision. 

 - London :  Kimpton,  1946. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>med47000320 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Color vision.<br/>Color blindness.<br/>Color Blindness<br/>Color Perception