TY  - BOOK
AU  - Piaget,Jean
AU  - Inhelder,Barbel
AU  - Weaver,Helen
TI  - The psychology of the child
U1  - 155.4 
PY  - 1969///]
CY  - New York
PB  - Basic Books
KW  - Child psychology
N1  - Translation of La psychologie de l'enfant; Bibliogr.: p. [161]-162
ER  -