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\bibitem{Bryerton_etal2005} Bryerton, E., Percy, R., Bass, R., Schultz, J., Oluleye, O., Lichtenberger, A., et al. (2005). Receiver measurements of pHEB beam lead mixers on 3-μm silicon. In \textit{Proc. 30th IRMMW / 13th THz} (pp. 271--272).

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