TY  - BOOK
AU  - Piaget Jean
TI  - Genetic epistemology. Translated by Eleanor Duckwo
SN  - 0 393 00596 8
U1  - R2xM96, L0 
PY  - 1970///
CY  - New York
PB  - Norton U. S. A.      
KW  -  Philosophy
KW  - Epistemology-Piaget
ER  -