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\bibitem{Yagoubov_etal2006} Yagoubov P, Hoogeveen R, Torgashin M, Khudchenko A, Koshelets V, Suttiwong N, et al. 550-650 GHz spectrometer development for TELIS. In: Proc. 17$^{th}$ Int. Symp. Space Terahertz Technol.; 2006. p. 338--41.

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