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Additional information
Institute of Polymer Mechanics, Academy of Sciences of the Latvian SSR, Riga. Translated from Mekhanika Polimerov, No. 6, pp. 1103–1107, November–December, 1976.
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Kregers, A.F., Kilevits, M.R. A study of stress relaxation in physically nonlinear polymeric materials during stretching. Polymer Mechanics 12, 963–966 (1976). https://doi.org/10.1007/BF00856501
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DOI: https://doi.org/10.1007/BF00856501