TY  - BOOK
ED  - Unesco
TI  - Reflection on world problems and future-oriented studies: studies and documents : the world by the year 2000
U1  - 909 23
PY  - 1987///
CY  - Paris
PB  - Unesco
KW  - Civilization
KW  - History
KW  - World history
N1  - BEP/GPI 1
ER  -