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Institute of Plant and Animal Ecology, Ufa Scientific Center, USSR Academy of Sciences, Sverdlovsk
USSR. Sverdlovsk Region. Sverdlovsk. Laboratory assistant Anna Obukhova during the adjustment of a mass spectrograph used to determine the mineral composition of a biological environment, in the laboratory of the Institute of Plant and Animal Ecology of the Ural Scientific Center of the USSR Academy of Sciences. Eduard Kotlyakov/TASS