TransliterationGerke A.A. Foraminifery permskikh, triasovykh i leyasovykh otlozheniy neftenosnykh rayonov Severa Tsentralnoy Sibiri.
In EnglishGehrke A.A. Foraminifera of Permian, Triassic, and Leias deposits in the oil-bearing regions of northern Central Siberia. In Russian
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