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Additional information
All-Union Scientific Research Institute for Man-Made Fibre. Translated from Khimicheskie Volokna, No.5, pp. 33 – 36, September – October, 1973.
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Akopyan, G.A., Eifer, I.Z. & Burova, L.A. Direct crystallization of anhydrous sodium sulphate from the technological liquors of the rayon sector. Fibre Chem 5, 521–525 (1974). https://doi.org/10.1007/BF00542956
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DOI: https://doi.org/10.1007/BF00542956