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\bibitem{Berenguer_etal2019} Berenguer, A., Coves, A., Gimeno, B., Bronchalo, E., \& Boria, V. E. (2019). Experimental Study of the Multipactor Effect in a Partially Dielectric-Loaded Rectangular Waveguide. \textit{IEEE Microw. Wirel. Compon. Lett.}, \textit{29}(9), 595--597.

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