@book{ international1974iaea, title={Isotope Techniques in Groundwater Hydrology 1974 (Vienna, 11-15 March 1974)}, series={Proceedings Series}, year={1974}, isbn={92-0-040174-0}, url={http://www.dgdingfa.net/publications/3136/isotope-techniques-in-groundwater-hydrology-1974-vienna-11-15-march-1974}, publisher={INTERNATIONAL ATOMIC ENERGY AGENCY}, address={Vienna} }
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