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\bibitem{deSousa_etal2017} {\textquotedblleft}\textit{Unusual quantum confined Stark effect and Aharonov-Bohm oscillations in semiconductor quantum rings with anisotropic effective masses}{\textquotedblright}. de Sousa GO, da Costa DR, Chaves A, Farias GA, Peeters FM, Physical review B \textbf{95}, 205414 (2017).   http://doi.org/10.1103/PHYSREVB.95.205414

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