PT Unknown AU Gao, GR Hovenier, JN Yang, ZQ Baselmans, JJA Baryshev, A Hajenius, M Klapwijk, TM Adam, AJL Klaassen, TO Williams, BS Kumar, S Hu, Q Reno, JL TI A novel terahertz heterodyne receiver based on a quantum cascade laser and a superconducting bolometer SE Proc. 16[super:th] Int. Symp. Space Terahertz Technol. PY 2005 BP 19 EP 23 PI Göteborg, Sweden ER