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\bibitem{Yagoubov_etal2001} Yagoubov, P., H{\"u}bers, H. - W., Gol{\textquoteright}tsman, G., Semenov, A., Gao, J., Hoogeveen, R., et al. (2001). Hot-electron bolometer mixers -- technology for far-infrared heterodyne instruments in future atmospheric chemistry missions. In S. Buehler, \& Berlin (Eds.), \textit{Proc. 3rd Int. Symp. Submillimeter Wave Earth Observation From Space} (pp. 57--69). Logos-Verlag.

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