TY  - BOOK
AU  - Piaget,Jean
AU  - Inhelder,Barbel
AU  - Szeminska,Alina
TI  - The child's conception of geometry
PY  - 1960///
CY  - New York
PB  - Basic Books
KW  - Geometry concept
N1  - Translation of La geometrie spontanee de l'enfant
ER  -