TY - GEN AU - International Nuclear Safety Advisory Group TI - The safe management of sources of radiation : principles and strategies : INSAG-11 : a report by the International Nuclear Safety Advisory Group T2 - (INSAG series ; INSAG-11) SN - 92-0-102199-2 PY - 1999/// CY - Vienna : PB - International Atomic energy Agency KW - Radiation KW - Radiation protection ER -