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\bibitem{Goltsman_etal1994} Gol{\textquoteright}tsman, G., Jacobsson, S., Ekstrom, H., Karasik, B., Kollberg, E., \& Gershenzon, E. (1994). Slot-line tapered antenna with NbN hot electron mixer for 300-360 GHz operation. In \textit{Proc. 5$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 209--213a).

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