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\section*{2008}

Ryabchun SA, Tretyakov IV, Finkel MI, Maslennikov SN, Kaurova NS, Seleznev VA, et al. Fabrication and characterisation of NbN HEB mixers with in situ gold contacts. In: Proc. 19$^{th}$ Int. Symp. Space Terahertz Technol. Groningen, Netherlands; 2008. p. 62--7.

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