TY  - BOOK
AU  - Muller Ulrich 
AU  - Carpendale Jeremy I.M.
AU  - Smith Leslie
TI  -  The cambridge companion to piaget
SN  - 9780521727198
U1  - 155.413 MUL C  
PY  - 2009///
CY  - New York
PB  - Cambridge University Press
KW  - Child psychology
KW  - Cognition in children
N1  - Includes Index
ER  -