- International Atomic Energy Agency (14)
- International Conference on Nuclear Data for Reactors (1)
- International Conference on Plasma Physics and Controlled Nuclear Fusion Research (1)
- International Symposium on Nuclear Activation Techniques in the Life Sciences (3rd : 1978 : Vienna, Austria) (1)
- OECD Nuclear Energy Agency (1)
- Panel on Reactor Burn-up Physics, Vienna, 1971 (1)
- Panel on the Peaceful Uses of Nuclear Explosions (3rd :1972 : Vienna, Austria) (1)
- Panel on the Peaceful Uses of Nuclear Explosions( 1st : 1970 : Vienna, Austria) (1)
- Panel on the Practical Applications of the Peaceful Uses of Nuclear Explosion (1)
- Sovet ėkonomicheskoĭ vzaimpoomoshcii (1)
- Symposium on Environmental Aspects of Nuclear Power Stations (1)
- Symposium on New Developments in Physical and Biological Radiation Detectors (Vienna : 1970) (1)
- Symposium on Principles and Standards of Reactor Safety (1)
- Symposium on Progress in Sodium-Cooled Fast Reactor Engineering (1)
- Symposium on the Safety of Nuclear Ships, Hamburg, 1977 (1)
- Technical Committee Meeting on Modern Trends in the Biological Applications of Stable Isotopes, Leipzig, Ger., 1977 (1)
- U.S. Atomic Energy Commission (1)