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\bibitem{Torun_etal2016} {\textquotedblleft}\textit{Anisotropic electronic, mechanical, and optical properties of monolayer WTe2}{\textquotedblright}. Torun E, Sahin H, Cahangirov S, Rubio A, Peeters FM, Journal of applied physics \textbf{119}, 074307 (2016).   http://doi.org/10.1063/1.4942162

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