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\bibitem{Hesler_etal1995} Hesler, J. L., Crowe, T. W., Bradley, R. F., Pan, S. K., \& Chattopadhyay, G. (1995). The design, construction and evaluation of a 585 GHz planar Schottky mixer. In \textit{Proc. 6$^{th}$ Int. Symp. Space Terahertz Technol.} (pp. 34--43). Pasadena, Ca.

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