TY  - BOOK
AU  - Piaget,Jean
AU  - Inhelder,B arbel
TI  - The psychology of the child
AV  - BF721.I55.P793 1969 
PY  - 1969///
CY  - New York
PB  - Basic Books
KW  - Child psychology
N1  - Translation of: La psychologie de l'enfant; 4; Bibliography: pages 161.-162; 2
ER  -