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\bibitem{Ptitsina_etal1995} Ptitsina, N. G., Chulkova, G. M., \& Gershenzon, E. M. (1995). Influence of the interference of electron-phonon and electron-impurity scattering on the conductivity of unordered Nb films. \textit{JETP}, \textit{80}(5), 960--964.

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