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\bibitem{Nicholas_etal1992} {\textquotedblleft}\textit{Cyclotron resonance of both magnetopolaron branches for polar and neutral optic phonon coupling in the layer compound InSe}{\textquotedblright}. Nicholas RJ, Watts M, Howell DF, Peeters FM, Wu XG, Devreese JT, van Bockstal L, Herlach F, Langerak CJGM, Singleton J, Chevy A, Pysical review: B \textbf{45}, 12144 (1992).   http://doi.org/10.1103/PhysRevB.45.12144

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