The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Sheshin:RuPAC2016-WEPSB076} \bibitem{Sheshin:RuPAC2016-WEPSB076} E.P. Sheshin, \textquotedblleft{The Development and Application of Injectors Free Electrons}\textquotedblright, % presented at RuPAC2016, St. Petersburg, Russia, Nov. 2016, paper WEPSB076, unpublished. presented at the 25th Russian Particle Accelerator Conf. (RuPAC'16), St. Petersburg, Russia, Nov. 2016, paper WEPSB076, unpublished.