Koch Berthe Couch <br/><br/>
Apparent weight of colors 

 -  1928 
 - vp.  cm. 
 - (Ohio state University studies, Graduate school series, contributions in Psychology,9). .
<br/><br/><label>Standard No.: </label>62272 
<br/><br/><label>Source: </label> Textbook 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S:685, F8