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\bibitem{Vague_etal2019} Vague, J., Melgarejo, J. C., Boria, V. E., Guglielmi, M., Moreno, R., Reglero, M., et al. (2019). Experimental Validation of Multipactor Effect for Ferrite Materials Used in L- and S-Band Nonreciprocal Microwave Components. \textit{IEEE Trans. Microw. Theory Tech.}, \textit{67}(6), 2151--2161.

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