1. 1) M. Kurakado: "Possibility of high resolution detectors using superconducting tunnel junctions," Nucl. Instr. Meth. Phys. Research 196 (1982) 275-277
2. 2) J. Tucker: "Quantum limited detection in tunnel junction mixers." IEEE J. Quantum Elec. 15 (1979) 1234-1258
3. 3) S.M.X. Claude, et al. "Design of a sideband-separating balanced SIS mixer based on waveguide hybrids." ALMA Memo 316 (2000)
4. 4) K. D. Irwin: "An application of electrothermal feedback for high resolution cryogenic particle detection," Appl. Phys. Lett. 66 (1995) 1998-2000
5. 5) P.K. Day, et al.: "A broadband superconducting detector suitable for use in large arrays," Nature 425 (2003) 817-821