The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Posen:SRF2017-TUXBA02}
\bibitem{Posen:SRF2017-TUXBA02}
S. Posen,
\textquotedblleft{Flux Expulsion Studies on Niobium}\textquotedblright,
presented at SRF2017, Lanzhou, China, July 2017, paper TUXBA02, unpublished.
% presented at the 18th Int. Conf. on RF Superconductivity (SRF'17), Lanzhou, China, July 2017, paper TUXBA02, unpublished.