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\bibitem{Hai_etal1998} {\textquotedblleft}\textit{Effects of intersubband interaction on multisubband electron transport in single and double quantum wells}{\textquotedblright}. Hai GQ, Studart N, Marques GE, Peeters FM, Koenraad PM, Physica. E: Low-dimensional systems and nanostructures \textbf{2}, 222 (1998).   http://doi.org/10.1016/S1386-9477(98)00048-4

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