Jean <br/><br/>
The child's discovery of space :  from hopscotch to mazes ; an introduction to intuitive topology / 
Jean and Simone Sauvy. Translated by Pam Wells; with an introduction. by Bill Brookes 
 - Harmondsworth :  Penguin Education,  1974 
 - 92 p. :  ill. ;  19 cm. 
<br/><br/> Translation of L'enfant a la decouverte de l'espace. 
<br/><br/>Bibliography: p. 93 
<br/><br/><br/>engfre 
<br/><br/><label>ISBN: </label>014080384X 
<br/><br/><label>LCCN: </label>74-181546 //r892 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Topology--Study and teaching (Elementary)