| iest.org | The Institute of Environmental Sciences and Technology |
| world-nuclear.org | Nuclear Industry Portal |
| isis-online.org | Institute For Science and International Security |
| irpa.net | International Radiation Protection Association |
| icru.org | International Commission on Radiation Units and Measurements, Inc. |
| icrp.org | International Commission on Radiological Protection |
| iaea.or.at | International Atomic Energy Agency |
| euronuclear.org | European Nuclear Society (ENS) |
| cns-snc.ca | Canadian Nuclear Society / Société Nucléaire Canadienne |
| ans.org | American Nuclear Society |
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