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02a0023449;92-0-141189-8;¥311.02;20011205d1989 ekmy0engy01;eng;a z 100yy;r;Isotope techniques in the study of the hydrology of fractured and fissured rocks;proceedings of the meeting, held in Vienna, Nov. 17-21, 1986;organ. by the International Atomic Energy Agency;Vienna;International Atomic Energy Agency;1989;306 p.;Panel proceedings series;a492.5608;An Advisory Group Meeting on the Application of Isotope Techniques in the Study of the Hydrology of Fractured and Fissured Rocks ; International Atomic Energy Agency;Vienna;1986;101;448667;492.5608;In8;r¥311.02;a31;b1