Piaget, Jean <br/><br/>
The child's conception of space 
<label>/ by </label> Piaget, Jean 
<label>;</label> Inhelder, Barbel <label>;</label> Langdon, F.J. 
 - London  Routledge and Kegan Paul  1956 
 - xii,490p.  22 cm. 
<br/><br/>SR 
<br/><br/><label>Dewey Class. No.: </label>136.7  / P