NON-MARINE BIVALVES FROM THE MOSPYNE FORMATION (UPPER BASHKIRIAN) OF THE DONETS BASIN: TAXONOMY, PALEOECOLOGY, AND STRATIGRAPHIC SIGNIFICANCE von ДЕРНОВ, В.С.

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NEW PALEONTOLOGYCAL DATA TO THE CHARACTERISTICS OF THE UPPER CRETACEOUS DEPOSITS OF THE VOLHYNIAN BASALT RIDGE FOR SOLUTION OF THE PROBLEMS OF THE AGE OF VOLCANIC ROCKS AND TUFFAC... von Kurepa, Ya.S.

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