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\bibitem{Tretyakov_etal2010} Tret{\textquoteright}yakov, I. V., Ryabchun, S. A., Kaurova, N. S., Larionov, P. A., Lobastova, A. A., Voronov, B. M., et al. (2010). Optimum absorbed heterodyne power for superconducting NbN hot-electron bolometer mixer. \textit{Tech. Phys. Lett.}, \textit{36}(12), 1103--1105.

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