1
Published 1990
Subjects: ...Conference on Security and Cooperation in Europe Follow-up Meeting (1986 Vienna, Austria)....
2
by Wilkowski, Jean M, 1919-
Published 1982
Subjects: ...United Nations Conference on Science and Technology for Development (1979: Vienna, Austria)...
3
by Heinrich, Hans-Georg
Published 1991
...Vienna (Austria) -- Politics and government...