TY  - BOOK
AU  - Piaget Jean
AU  -  Inhelder Barbel
TI  - Mental imagery in child :  A study of the developme   
SN  - 0 7100 6921 9
U1  - R2xM96, L1 
PY  - 1971///
CY  - London
PB  - Routledge and Kegan Paul U. K.     
KW  -  Philosophy
KW  - Epistemology-Piaget
ER  -