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\bibitem{Shitov_etal2008} Shitov, S. V., Inatani, J., Shan, W. - L., Takeda, M., Wang, Z., Uvarov, A. V., et al. (2008). Measurement of emissivity of the ALMA antenna panel at 840 GHz using NbN-based heterodyne SIS receiver. In \textit{Proc. 19$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 263--266).

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