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\bibitem{Partoens+Peeters2000} {\textquotedblleft}\textit{The spin structure of two vertically coupled quantum dots}{\textquotedblright}. Partoens B, Peeters FM, Physica. E: Low-dimensional systems and nanostructures \textbf{6}, 577 (2000).   http://doi.org/10.1016/S1386-9477(99)00114-9

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