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\bibitem{Huebers_etal2000} H{\"u}bers, H. - W., Semenov, A., Schubert, J., Gol{\textquoteright}tsman, G., Voronov, B., \& Gershenzon, E. (2000). Performance of the phonon-cooled hot-electron bolometric mixer between 0.7 THz and 5.2 THz. In \textit{Proc. 8-th Int. Conf. on Terahertz Electronics} (pp. 117--119).

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