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\bibitem{Kalman_etal2008} {\textquotedblleft}\textit{Spatial interference induced spin polarization in a three-terminal quantum ring}{\textquotedblright}. K{\'a}lm{\'a}n O, F{\"o}ldi P, Benedict MG, Peeters FM, Physica. E: Low-dimensional systems and nanostructures \textbf{40}, 567 (2008).   http://doi.org/10.1016/j.physe.2007.08.014

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