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Okrostsvaridze, Avtandil და Akimidze, Karlo და Akimidze, Archili და Bluashvili, David (2011) The First Data on Industrial Concentration of Thorium and Bismuth in Lower-Jurassic Clay-Shales of the Stori Canyon (The Greater Caucasus, Georgia). Bulletin of the Georgian National Academy of Sciences, 5 (2). С. 76-82. ISSN 0132 - 1447