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\bibitem{Cherednichenko_etal2008} Cherednichenko, S., Drakinskiy, V., Lecomte, B., Dauplay, F., Krieg, J. - M., Delorme, Y., et al. (2008). Terahertz heterodyne array based on NbN HEB mixers. In \textit{Proc. 19$^{th}$ Int. Symp. Space Terahertz Technol.} (43).

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