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\bibitem{Ilin_etal1998} Il{\textquoteright}in, K. S., Cherednichenko, S. I., Gol{\textquoteright}tsman, G. N., Currie, M., \& Sobolewski, R. (1998). Comparative study of the bandwidth of phonon-cooled NbN hot-electron bolometers in submillimeter and optical wavelength ranges. In \textit{Proc. 9$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 323--330).

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