TY - BOOK ED - International Atomic Energy Agency (1963: Tokyo) TI - Radioisotopes in hydrology: proceedings of the symposium on the application of radioisotopes in hydrology held by the International Atomic Energy Agency in Tokyo, 5-9 March 1963 U1 - 551.49 21st PY - 1963/// CY - Vienna PB - International Atomic Energy Agency KW - Radioisotopes in hydrology; Radioactive tracers; Ground water ER -