TY  - BOOK
AU  - Piaget Jean
TI  - Psychology and epistemology. Translated by Arnold
U1  - R2xM96, L1 
PY  - 1971///
CY  - New York
PB  - Grossman U. S. A.      
KW  -  Philosophy
KW  - Epistemology-Piaget
ER  -