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\bibitem{Wild_etal2005} Wild, W., de Graauw, T., Baryshev, A., Bos, A., Gao, J. R., Gunst, A., et al. (2005). Terahertz technology for ESPRIT {\textendash} a far-infrared space interferometer. In \textit{Proc. 16$^{th}$ Int. Symp. Space Terahertz Technol.}. G{\"o}teborg, Sweden.

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