TY  - BOOK
AU  - Piaget,Jean
TI  - The child's conception of physical causality
SN  - 0710061196
PY  - 1970///
CY  - London
PB  - Routledge & K. Paul
KW  - Child development
KW  - Child psychology
N1  - 'Translated by Marjorie Gabain'
ER  -