- International Atomic Energy Agency (28)
- OECD Nuclear Energy Agency (28)
- Organisation for Economic Co-operation and Development (6)
- Atomic Energy Research Establishment (Harwell, England) (1)
- Commission of the European Communities (1)
- France. Commissariat à l'énergie atomique (1)
- International Conference on Neutron Physics and Nuclear Data for Reactors and Other Applied Purposes (1)
- OECD Nuclear Energy Agency. Committee on the Safety of Nuclear Installations (1)
- Seminar on Remote Handling Equipment for Nuclear Fuel Cycle Facilities (1984 : Oxford, England) (1)
- Switzerland. Amt für Wissenschaft und Forschung (1)
- Symposium on Nuclear Accidents: Liabilities and Guarantees (1992 : Helsinki, Finland) (1)
- Symposium on Nuclear Third Party Liability and Insurance--Status and Prospects (1984 : Munich, Germany) (1)
- Symposium on Safety Assessment of Radioactive Waste Repositories (1)
- Symposium on Uranium Exploration Methods (1982 : Paris, France) (1)
- Symposium on the On-Site Management of Power Reactor Wastes (1979 : Zürich, Switzerland) (1)
- Symposium on the Safety of Nuclear Ships, Hamburg, 1977 (1)
- Technical Seminar on the Treatment, Conditioning, and Storage of Solid Alpha-Bearing Waste and Cladding Hulls (1)
- United Kingdom Atomic Energy Authority (1)
- Workshop on Low-flow, Low-permeability Measurements in Largely Impermeable Rocks (1)