Modernization of technological equipment for mining amber hydraulic mechanical methods von V. P. Nadutyj, Z. R. Malanchuk, Ja. Kornienko

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The state of basalt production in the Rivne and Volyn regions and substantiation of the need for the complex use of products of its processing von A. F. Bulat, V. P. Nadutyj, Z. R. Malanchuk, Ja. Kornienko

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Justification of new methods for improved extraction of amber von V. P. Nadutyj, E. Z. Malanchuk, Ja. Kornienko, Z. R. Malanchuk

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