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\bibitem{Li_etal2017} {\textquotedblleft}\textit{Aharonov-Bohm oscillations in phosphorene quantum rings}{\textquotedblright}. Li LL, Moldovan D, Vasilopoulos P, Peeters FM, Physical review B \textbf{95}, 205426 (2017).   http://doi.org/10.1103/PHYSREVB.95.205426

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