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\bibitem{Cherednichenko_etal2003} Cherednichenko S, Khosropanah P, Adam A, Merkel HF, Kollberg EL, Loudkov D, et al. 1.4- to 1.7-THz NbN hot-electron bolometer mixer for the Herschel space observatory. In: Phillips TG, Zmuidzinas J, editors. Proc. SPIE. Vol 4855. SPIE; 2003. p. 361--70.

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