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\bibitem{Partoens_etal1998} {\textquotedblleft}\textit{Magnetoplasma excitations of two vertically coupled dots}{\textquotedblright}. Partoens B, Matulis A, Peeters FM, Physical review : B : condensed matter and materials physics \textbf{57}, 13039 (1998).   http://doi.org/10.1103/PhysRevB.57.13039

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