%O Book %T Environmental Isotope Data No. 3: World Survey of Isotope Concentration in Precipitation (1966–1967) %A %U https://www.iaea.org/publications/1230/environmental-isotope-data-no-3-world-survey-of-isotope-concentration-in-precipitation-1966-1967 %D 1971 %I INTERNATIONAL ATOMIC ENERGY AGENCY %C Vienna