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\bibitem{Gershenzon_etal1975} Gershenzon, E. M., Gurvich, Y. A., Orlova, S. L., \& Ptitsina, N. G. (1975). Cyclotron resonance of electrons in Ge in a quantizing magnetic field in the case of inelastic scattering by acoustic phonons. \textit{Sov. Phys. JETP}, \textit{40}(2), 311--315.

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