TY  - BOOK
AU  - Piaget,Jean
AU  - Inhelder,Bärbel
AU  - Szeminska,Alina
TI  - The child's conception of geometry
SN  - 0393000575 (pbk.)
AV  - 516/PIA P53 1981
U1  - 155.4/13 19
PY  - 1981///] c1960
CY  - New York
PB  - Norton
KW  - Geometry concept in children
N1  - Translation of: La géométrie spontanée de l'enfant; Includes index
ER  -