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Rosen O. (1925). Materials to the knowledge of Russian Mollusca. Izvestiya Donskogo Politekhnicheskogo Instituta v Novocherkasske. 9: 5-10. [In Russian].
Rosen O. (1925). Materials to the knowledge of Russian Mollusca. Izvestiya Donskogo Politekhnicheskogo Instituta v Novocherkasske. 9: 5-10. [In Russian].
