Pickford R W <br/><br/>
Individual differences in colour vision 

 -  1951 
<br/><br/><label>Standard No.: </label>80,516 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:255:8, J1