Finkel MI, Maslennikov SN, Vachtomin YB, Svechnikov SI, Smirnov KV, Seleznev VA, et al. Hot electron bolometer mixer for 20 – 40 THz frequency range. In: Proc. 16^th Int. Symp. Space Terahertz Technol. Göteborg, Sweden; 2005. p. 393–7.