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\bibitem{Svechnikov_etal1998} Svechnikov, S., Verevkin, A., Voronov, B., Menschikov, E., Gershenzon, E., \& Gol{\textquoteright}tsman, G. (1998). Quasioptical phonon-cooled NbN hot electron bolometer mixers at 0.5-1.1 THz. In \textit{Proc. 9$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 45--51).

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