A rare component of the invertebrate fauna of the "Boykivshchyna" NNP von Yu. M. Heriak, O. H. Maryskevych, Ye. Yavorskyi

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The Investigation of Boiled Process of Sulfuric Acid Solutions in the Hollow Spray Column von Ya. A. Kalymon, A. B. Helesh, Ye. Yavorskyi

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