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\bibitem{Murk_etal2001} Murk A, K{\"a}mpfer N, Wylde R, Inatani J, Manabe T, Seta M. Characterization of various quasi-optical components for the submillimeter limb-sounder SMILES. In: Proc. 12$^{th}$ Int. Symp. Space Terahertz Technol.; 2001. p. 426--35.

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