Ishihara S <br/><br/>
Tests for colour-blindness 
Ishihara S 
 -  1967 
<br/><br/><label>Standard No.: </label>61794 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:2550L, K4;K7