TY  - BOOK
AU  - Piaget,Jean
AU  - Gabain,Marjorie
TI  - The child's conception of physical causality
U1  - 136.72 
PY  - 1930/// [Reprinted 1951]
CY  - London
PB  - K. Paul
KW  - Child psychology
N1  - "Translated by Marjorie Gabain."; Includes index
ER  -