TY  - BOOK
AU  - Piaget,Jean
TI  - Main trends in interdisciplinary research
T2  - main trends in the social science
SN  - 004301061X
U1  - 001.42 
PY  - 1970///
CY  - Great Britain
PB  - George Allen & Unwin
KW  - interdisciplinary research
ER  -