Isotope techniques in water resoruces development : proceedings of an International Symposium on the use of isotope techniques in water resources ... held in Vienna, 30 March-3 April 1987 - United Nations Educational, Scientific and Cultural Organisation; International Atomic Energy Agency (Vienna : International Atomic Energy Agency, 1987)
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Keywords: Isotopes -- Congresses; Radioactive tracers in hydrogeology -- Congresses