TY  - BOOK
AU  - Inhelder,Bärbel
AU  - Piaget,Jean
TI  - The growth of logical thinking from childhood to adolescence: an essay on the construction of formal operational structures
AV  - BF721 .I473
U1  - 136.7354 
PY  - 1958///]
CY  - [New York]
PB  - Basic Books
KW  - Child psychology
KW  - Local
KW  - Cognition in children
KW  - Logic
ER  -