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\bibitem{Cherednichenko_etal2003} Cherednichenko, S., Khosropanah, P., Adam, A., Merkel, H. F., Kollberg, E. L., Loudkov, D., et al. (2003). 1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel space observatory. In T. G. Phillips, \& J. Zmuidzinas (Eds.), \textit{Proc. SPIE} (Vol. 4855, pp. 361--370). SPIE.

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