jointly organized by the International Atomic Energy Agency and the World Health Organization. a joint undertaking by the International Atomic Energy Agency and the World Health Organization. sponsored by the International Atomic Energy Agency and the World Health Organization. international atomic energy agency aand the world health organization The International Atomic Energy Agency and the World Health Organization, jointly organized by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations. Jointly organised by the International Atomic Energy Agency and the Food and Agriculture Organization of the United Nations. organized by the International Atomic Energy Agency and the OECD Nuclear Energy Agency. code of practice sponsored by the International Aeomic Energy Agency and the World Health Organization and Technical Appendix. organized by the International Atomic Energy Agency and held in Vienna, 9-13 Dec. 1974.