TY - BOOK ED - International Atomic Energy Agency. TI - Isotope techniques in groundwater hydrology, 1974: proceedings of a symposium organized by the International Atomic Energy Agency and held in Vienna, 11-15 March 1974 T2 - Proceedings series - International Atomic Energy Agency U1 - 551.49028 23 PY - 1974/// CY - Vienna PB - International Atomic Energy Agency KW - Groundwater KW - Congresses N1 - Includes bibliographical references ER -