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%\cite{Pierini:SRF2017-THYA03}
\bibitem{Pierini:SRF2017-THYA03}
P. Pierini,
\textquotedblleft{Operating the Third Harmonic SRF System in the E-XFEL Injector}\textquotedblright,
presented at SRF2017, Lanzhou, China, July 2017, paper THYA03, unpublished.
% presented at the 18th Int. Conf. on RF Superconductivity (SRF'17), Lanzhou, China, July 2017, paper THYA03, unpublished.