Piaget, Jean,  1896- <br/><br/>
The child's conception of geometry / 
by Jean Piaget, Barbel Inhelder and Alina Szeminska ; translated from the French by E. A. Lunzer 
 - London :  Routledge & Kegan Paul,  1960 
 - 411 p. :  ill. ;  23 cm. 
 - International library of psychology .
<br/><br/> Translation of La geometrie spontanee de l'enfant 
<br/><br/><label>ISBN: </label>0710061935 
<br/><br/><label>LCCN: </label>60-002184 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry concept