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\bibitem{Millar+BanonCaballero2023} Millar, W. L. et al, \& Ba{\~n}on Caballero, D. (2023). High-Power Test of Two Prototype X-Band Accelerating Structures Based on SwissFEL Fabrication Technology. \textit{IEEE Trans. Nucl. Sci.}, \textit{70}(1), 1--19.

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