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\bibitem{Maslennikov_etal2004} Maslennikov, S. N., Morozov, D. V., Ozhegov, R. V., Smirnov, K. V., Okunev, O. V., \& Gol{\textquoteright}tsman, G. N. (2004). Imaging system for submillimeter wave range based on AlGaAs/GaAs hot electron bolometer mixers. In \textit{Proc. 5-th MSMW} (Vol. 2, pp. 558--560).

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