UNESCO <br/><br/>
Our senses and the knowledge of the world 
UNESCO 
 -  1951 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>59859 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>A, J16          CS