International Atomic Energy Agency, Vienna (Austria); United Nations Educational, Scientific and Cultural Organization, 75 - Paris (France); Proceedings series; 873 p; ISBN 92-0-040084-1; ; 1984; p. 803-804; IAEA; Vienna (Austria); International symposium on isotope hydrology in water resources development; Vienna (Austria); 12-16 Sep 1983; IAEA-SM--270/26P; Published in summary form only.