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Translated from Metallurg, No. 4, p. 40, April, 1961
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Polyak, I. The Fourth Plenum of the Scientific-Technical Societies of Ferrous and Nonferrous Metallurgy. Metallurgist 5, 202 (1961). https://doi.org/10.1007/BF00739733
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DOI: https://doi.org/10.1007/BF00739733