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Barnaul'skii State Pedagogical Institute. Translated from Mekhanika Polimerov, No. 6, pp. 1110–1112, November–December, 1978.
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Golub, P.D., Perepechko, I.I. Determination of the packing coefficient of polymers from acoustical measurements. Polymer Mechanics 14, 894–896 (1978). https://doi.org/10.1007/BF00860110
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DOI: https://doi.org/10.1007/BF00860110