Piaget J <br/><br/>
Child's conception of geometry tr by E A Lunzer 

 -  1960 
<br/><br/><label>Standard No.: </label>83,207 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>PSYCHOLOGY
<br/><br/><label>Dewey Class. No.: </label>S10B6, K0