Strengthening the global nuclear safety regime INSAG-21 a report by the International Nuclear Safety Group. - Vienna IAEA 2006. - [5], 24 p. 24 cm. - International Atomic Energy Agency INSAG series 21. . ISBN: 9201113604 Subjects--Topical Terms: Nuclear power plants--Safety measures. Dewey Class. No.: 621.4835 STR 2006