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\bibitem{Jackson_etal2009} Jackson, B. D., Hesper, R., Adema, J., Barkhof, J., Baryshev, A. M., Zijlstra, T., et al. (2009). Series production of state-of-the-art 602-720 GHz SIS receivers for band 9 of ALMA. In \textit{Proc. 20$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 7--11).

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