TY  - BOOK
AU  - Piaget Jean
TI  - Structuralism. Ed and Tr from French by Chaninah M
U1  - Y, K8 
PY  - 1968///
CY  - London
PB  - Routledge and Kegan Paul       
KW  - Essays Sociology
N1  - Bibliography P-145-46
ER  -