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\bibitem{Titantah_etal2002} {\textquotedblleft}\textit{Single chain elasticity and thermoelasticity of polyethylene}{\textquotedblright}. Titantah JT, Pierleoni C, Ryckaert J-P, The journal of chemical physics \textbf{117}, 9028 (2002).   http://doi.org/10.1063/1.1514974

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