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\bibitem{Grujic_etal2014} {\textquotedblleft}\textit{Spin-valley filtering in strained graphene structures with artificially induced carrier mass and spin-orbit coupling}{\textquotedblright}. Gruji{\'c} MM, Tadi{\'c} MZ, Peeters FM, Physical review letters \textbf{113}, 046601 (2014).   http://doi.org/10.1103/PhysRevLett.113.046601

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