Petrographic composition of coals as a hydrocarbon generation factor von L. B. Zajtseva

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The role of geotectonic regime in saliniration of carboniferous coal of Lviv and Pre-Dobrogea depressions von A. V. Ivanova, L. B. Zajtseva

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To the problem of the genesis of amber von A. V. Ivanova, L. B. Zajtseva, S. A. Machulina

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