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\bibitem{Huebers_etal2001} H{\"u}bers, H. - W., Schubert, J., Krabbe, A., Birk, M., Wagner, G., Semenov, A., et al. (2001). Parylene anti-reflection coating of a quasi-optical hot-electron-bolometric mixer at terahertz frequencies. \textit{Infrared Physics \& Technology}, \textit{42}(1), 41--47.

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