The Joint Accelerator Conferences Website (JACoW) is an international collaboration that publishes the proceedings of accelerator conferences held around the world.
%\cite{Li:NAPAC2016-TUB1TU01}
\bibitem{Li:NAPAC2016-TUB1TU01}
R. Li, C. Tennant,
\textquotedblleft{A Discussion on Phase Space and Beam Emittance}\textquotedblright,
% presented at NAPAC2016, Chicago, IL, USA, Oct. 2016, paper TUB1TU01, unpublished.
presented at the North American Particle Accelerator Conf. (NAPAC'16), Chicago, IL, USA, Oct. 2016, paper TUB1TU01, unpublished.