TY  - BOOK
AU  -  Piaget Jean, Inhelder Barbel
TI  - Psychology of the child
SN  - 0710067518
U1  - 155.4 
PY  - 1966///
CY  - London
PB  - Routledge and Kegan Paul
KW  - Child Psychology
N2  -  Child Psychology
ER  -