« Previous
Next »
Author/Creator
- Conference of the Parties to the Vienna Convention for the Protection of the Ozone Layer (1st : 1989 : Helsinki)1
- Conference on the Uses of Radioisotopes in Animal Biology and the Medical Sciences (1961 : Mexico)1
- European Centre for Higher Education (Unesco)1
- International Association of Scientific Hydrology1
- International Atomic Energy Agency1
- Unesco1
- United Nations Library (Geneva, Switzerland)1
- Universidad de Barcelona. Facultad de Filología1
- Universidad de Granada1
- World Food Council (12th sess. : 1986 : Rome)1
- World Meteorological Organization1