TY  - BOOK
ED  - Union of International Associations.
TI  - Encyclopedia of world problems and human potential
T2  - UAI publication
SN  - 3598218648
PY  - 1986///-
CY  - Munchen
PB  - Saur
KW  - Social problems
KW  - Periodicals
KW  - Civilization, Modern
KW  - 20th century
ER  -