TY  - BOOK
AU  - Piaget Jean
TI  - Six psychological studies. Translated from French
U1  - R2xM96, K8 
PY  - 1968///
CY  - New York
PB  - Village Books U. S. A.     
KW  -  Philosophy
KW  - Epistemology-Piaget
N1  - Bibliography: P 159
ER  -