TY - BOOK ED - United Nations Educational, Scientific and Cultural Organisation Sym posium ED - International Atomic Energy Agency. TI - UNESCO symposium on isotopes in water resources management, volume 2 , 20-24 March 1995, Vienna SN - 9201007965 SN - 00741884 PY - 1996/// CY - Vienna : PB - International Atomic Energy Agency, KW - Isotopes KW - Water supply KW - Management N1 - In two volumes; Volume 2; Includes bibiographical references ER -