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\bibitem{Nicholas_etal1994} {\textquotedblleft}\textit{Interband magnetooptical studies of resonant polaron coupling in CdTe/Cd$_{1-x}$Mn$_{x}$Te quantum-wells}{\textquotedblright}. Nicholas RJ, Sasaki S, Miura N, Peeters FM, Shi JM, Hai GQ, Devreese JT, Lawless MJ, Ashenford DE, Lunn B, Physical Review B \textbf{50}, 7596 (1994).   http://doi.org/10.1103/PhysRevB.50.7596

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