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Alekseev, A. K. (1963). Paleogenovaya fauna mollyuskov Severnogo Priaral'ya [The Paleogene fauna of molluscs of the northern Aral Sea region]. Yerevan, Izdatel'stvo Akademii Nauk Armyanskoy SSR [The Armenian Academy of Sciences Press], 230 pp.
Alekseev, A. K. (1963). Paleogenovaya fauna mollyuskov Severnogo Priaral'ya [The Paleogene fauna of molluscs of the northern Aral Sea region]. Yerevan, Izdatel'stvo Akademii Nauk Armyanskoy SSR [The Armenian Academy of Sciences Press], 230 pp.