Piaget, Jean  c1971. <br/><br/>
Mental Imagery in the Child:  A Study of the Development of Imaginal Representation/ 
Jean,Piaget and Barbel Inhelder. 
 - NewYork:  Basic Books Inc.,  c1971. 
 - xiii, 391p.;  21cm. 
<br/><br/> Includes Index. 
<br/><br/><label>LC Class. No.: </label>BF 723   / .I5P513 1971