held by the International Atomic Energy Agency. held by the Internation Atomic Energy Agency. held by the International Atomic Energy Agency in Oslo, 24-27 May 1976. published by the International Atomic Energy Agency. by the International Atomic Energy Agency, Vienna, 1976. by the International Atomic Energy Agency, Vienna, 1977. by the International Atomic Energy Agency, Vienna, 1978. sponsored by the International Atomic Energy Agency. Sponsored by the International Atomic Energy Agency. organized by the International Atomic Energy Agency.