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\bibitem{Klapwijk_etal2004} Klapwijk, T. M., Barends, R., Gao, J. R., Hajenius, M., \& Baselmans, J. J. A. (2004). Improved superconducting hot-electron bolometer devices for the THz range. In \textit{Proc. SPIE} (Vol. 5498, pp. 129--139).

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