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\bibitem{Gershenzon_etal1991} Gershenzon, E. M., Gol{\textquoteright}tsman, G. N., Gousev, Y. P., Elant{\textquoteright}ev, A. I., \& Semenov, A. D. (1991). Electromagnetic radiation mixer based on electron heating in resistive state of superconductive Nb and YBaCuO films. \textit{IEEE Trans. Magn.}, \textit{27}(2), 1317--1320.

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