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\bibitem{Singh_etal2015} {\textquotedblleft}\textit{Rippling, buckling, and melting of single- and multilayer MoS$_{2}$}{\textquotedblright}. Singh SK, Neek-Amal M, Costamagna S, Peeters FM, Physical Review B \textbf{91}, 014101 (2015).   http://doi.org/10.1103/PhysRevB.91.014101

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