Piaget, Jean <br/><br/>
The child's conception of space 

 - London  Routledge & Kegan Paul  1956 
 - xii, 490p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>152.752  / P31