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\bibitem{Tarkhov_etal2006} Tarkhov M, Morozov D, Mauskopf P, Seleznev V, Korneev A, Kaurova N, et al. Single photon counting detector for THz radioastronomy. In: Proc. 17$^{th}$ Int. Symp. Space Terahertz Technol.; 2006. p. 119--22.

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