TY  - BOOK
ED  - Union of International Associations
TI  - Encyclopedia of world problems and human potential
SN  - 3598108427
PY  - 1991///
CY  - Munchen
PB  - K.G. Saur
KW  - International agencies
KW  - Periodicals
KW  - Social problems
KW  - Civilization, Modern
KW  - 20th century
ER  -