00602nam a2200133Ia 4500008004100000040001700041082002300058110005300081245018200134260005300316300001000369440002300379650006600402190327s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta551.49bI61R  aInternational Atomic Energy Agency (1963: Tokyo) 0aRadioisotopes in hydrologybproceedings of the symposium on the application of radioisotopes in hydrology held by the International Atomic Energy Agency in Tokyo, 5-9 March 1963  aViennabInternational Atomic Energy Agencyc1963  a448p.  aProceedings series  aRadioisotopes in hydrology; Radioactive tracers; Ground water