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\bibitem{Goltsman_etal1995} Gol{\textquoteright}tsman, G. N., Karasik, B. S., Svechnikov, S. I., Gershenzon, E. M., Ekstr{\"o}m, H., \& Kollberg E. (1995). Noise temperature of NbN hot{\textemdash}electron quasioptical superconducting mixer in 200-700 GHz range. In \textit{Proc. 6$^{th}$ Int. Symp. Space Terahertz Technol.} (268).

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